| Reference number | Title | Date |
| JHJ/3/30 | 'Through Astronomical Eyes' | 27 March 1944 |
| JHJ/6/6 | Review from 'The Christian Century' for 'Through Space and Time' | 23 January 1935 |
| JHJ/4/70 | 'What is Radiation?', 'British Journal of Radiology', Vol. V, No. 49 | January 1932 |
| JHJ/3/1/3/68 | Copy of Jeans' reply to M Hodder, re Jeans' 'My Point of View' talk. | 20 March 1930 |
| JHJ/5/5 | Draft of talk for the BBC, entitled 'IV - The other planets' | 30 October nd |
| JHJ/6/7 | Review from 'The Dallas Journal' for 'Through Space and Time' | 1 March 1935 |
| JHJ/6/18 | Review from 'The New York American' for 'Through Space and Time' | 10 March 1935 |
| JHJ/3/1/3/40 | Letter from HM Hazelrigg, re Jeans' 'My Point of View' talk. | 26 February 1930 |
| JHJ/2/1/12 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 5 May 1904 |
| JHJ/3/1/3/57 | Copy of Jeans' reply to Eden Phillpotts, re Jeans' 'My Point of View' talk. | 7 March 1930 |
| JHJ/4/36 | 'The Origin of the Solar System' | 1924 |
| JHJ/6/9 | Review from 'The Kadelphian Review' for 'Through Space and Time' | January 1935 |
| JHJ/6/4 | Review from 'The Chester Times' for 'Through Space and Time' | 19 February 1935 |
| EC/1906/07 | Jeans, Sir James Hopwood: certificate of election to the Royal Society | |
| JHJ/6/16 | Review from 'The New Haven Register' for 'Through Space and Time' | 13 January 1935 |
| JHJ/4/91 | 'Astronomical Problems of To-day' | 26 March 1943 |
| JHJ/4/66 | 'The Annihilation of Matter', 'Supplement to Nature', No. 3220 | 18 July 1931 |
| JHJ/4/58 | 'The Survey of the Stars', 'Nature', 12 March 1927 | 1927 |
| JHJ/3/17 | 'The Smallest Stars' | 4 May 1937 |
| JHJ/3/32 | Lectures: mainly brief typescript notes | 24 March 1943-21 October 1944 |
| JHJ/3/1/3/37 | Copy of Jeans' reply to AW Madsen, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/9 | 'A Tour Through Time and Space' | October-November 1934 |
| JHJ/4/82 | 'Lord Rutherford as Man and Scientist', 'The Listener' | 27 October 1937 |
| JHJ/2/18/1 | Letter from Edmund Johnson Spitta to Jeans | 15 Oct 1902 |
| JHJ/4/24 | 'Discussion on the Theory of Relativity', 'Proceedings of the Royal Society', A, Vol. 97 | 1920 |
| JHJ/3/7 | 'Through Time and Space' | December 1933-January 1934 |
| JHJ/3/26/2 | 'Evolution in Astronomy' | November 1942 |
| JHJ/2/11/4 | Letter from Reginald St John Parry to Jeans | 11 September 1902 |
| JHJ/2/1/2 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 4 November 1902 |
| JHJ/3/4 | 'The Evolution of the Universe' | 29 September 1931 |
| JHJ/4/12 | 'On the Instability of the Pear-Shaped Figure of Equilibrium of a Rotating Mass of Liquid', 'Philosophical Transactions of the Royal Society', A, Vol. 217, pp1-34 | 1916 |
| JHJ/6/21 | Review from 'The Philadelphia Enquirer' for 'Through Space and Time' | 24 November 1934 |
| JHJ/3/5/5 | 'Space' | 1933 |
| JHJ/3/6 | 'The New Universe of Astronomy' | 9 May [c.1933] |
| JHJ/2/4/8 | Letter from Russell Kerr Gaye to Jeans | 15 October 1902 |
| JHJ/4/86/1 | 'Urania': Official Organ of the Junior Astronomical Association, Vol. 5 No. 8 | November 1939 |
| JHJ/3/1/3/63 | Letter from Charles Barton, re Jeans' 'My Point of View' talk. | 8th March 1930 |
| JHJ/3/23/2 | 'The Lives of the Stars' | c.1930s |
| JHJ/5/2/6 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/3/1/3/82 | Copy of Jeans' reply to E Hawks, FRAS, re Jeans' 'My Point of View' talk. | 26 April 1930 |
| JHJ/4/6 | 'On the Density of Algol Variables', 'The Astrophysical Journal', Vol. XXII, No. 2 | September 1905 |
| JHJ/3/1/3/83 | Letter from HC Linnell, re Jeans' 'My Point of View' talk. | 5 March 1930 |
| JHJ/6/24 | Review from 'The Savanah Morning News' for 'Through Space and Time' | 2 December 1934 |
| JHJ/3/1/3/7 | Copy of Jeans' reply to Mrs Jesse M Powell, re Jeans' 'My Point of View' talk. | 5 March 1930 |
| JHJ/6/17 | Review from 'The New Republic' for 'Through Space and Time' | 9 January 1935 |
| JHJ/4/77 | 'The Size and Age of the Universe' | 29 November 1935 |
| JHJ/2/12/3 | Letter from W Lewis to Jeans | 19 August 1902 |
| JHJ/6/15 | Review from 'The Nation' for 'Through Space and Time' | 16 January 1935 |
| JHJ/4/96 | 'Cosmical Physics' | nd |
| JHJ/3/1/3/79 | Letter from Mrs Eleanor Restieaux, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/13/2 | 'Solar System' | 1936 |
| JHJ/3/1/3/25 | Letter from AW Elliot, re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/3/1/3/76 | Copy of Jeans' reply to Lord Danesfort, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/3/41 | Copy of Jeans' reply to HM Hazelrigg, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/28/2 | 'Spectroscopic Astronomy' | 1943 |
| JHJ/6/28 | Review from 'The Toledo News Bee' for 'Through Space and Time' | 21 January 1935 |
| JHJ/6/26 | Review from 'The Scientific Monthly' for 'Through Space and Time' | February 1935 |
| JHJ/3/5/1 | Royal Institution lectures | 1933 |
| JHJ/2/19 | Letters from Herbert Hall Turner FRS (1861-1930) to Jeans | 1 Oct 1903-7 June 1906 |
| JHJ/3/5/3 | 'Stars' | 1933 |
| JHJ/6/13 | Review from 'Mechanical Engineering' for 'Through Space and Time' | February 1935 |
| JHJ/4/61 | 'Liquid Stars', 'Nature' | 4 February 1928 |
| JHJ/1/2 | Notebook 2 | [1896-1900] |
| JHJ/5/2/5 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/1/1 | Notebook 1 | [1896-1900] |
| JHJ/5/2/8 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/3/1/3/11 | Copy of Jeans' reply to Sir Arthur Conan Doyle, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/2/1/9 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 19 October 1903 |
| JHJ/3/1/3/52 | Postcard from Lady Harris, re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/6/22 | Review from 'The Providence Visitor' for 'Through Space and Time' | 14 February 1935 |
| JHJ/3/27 | 'BBC, Astronomy' | 1943 |
| JHJ/6/27 | Review from 'The Theosophical Path' for 'Through Space and Time' | April 1935 |
| JHJ/3/1/3/4 | Copy of Jeans' reply to Sir Charles Bright, re Jeans' 'My Point of View' talk. | 15 March 1930 |
| JHJ/4/31 | 'The Motions of the Stars', 'Scientia' | 1923 |
| JHJ/1/8 | Notebook 8 | [1896-1900] |
| JHJ/5/2/2 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/2/15/3 | Letter from Charles Donald Robertson to Jeans | 5 Jan [c.1903] |
| JHJ/6/10 | Review from 'The Knickerbocker Press' for 'Through Space and Time' | 20 January 1935 |
| JHJ/2/4/9 | Letter from Russell Kerr Gaye to Jeans | 30 November 1902 |
| JHJ/3/1/3/18 | Copy of Jeans' reply to Ellis Barraclough, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/35 | 'Acoustics of Concert Halls' | nd |
| JHJ/2/1/8 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 15 June 1903 |
| JHJ/3/1/3/16 | Copy of Jeans' reply to William Brown, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/6/3 | Review from 'The Brooklyn Times Union' for 'Through Space and Time' | 16 November 1934 |
| JHJ/5/2/11 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/3/22/2 | Notes for Lecture by Jeans, 'The Problem of the Astronomical Universe' | 1938 |
| JHJ/6/19 | Review from 'The Ohio State Journal' for 'Through Space and Time' | 12 December 1934 |
| JHJ/3/1/3/74 | Copy of Jeans' reply to the Rev. FW Keane, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/3/23 | Letter from Mrs Mary Dendy, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/1/3/32 | Copy of Jeans' reply to Miss Orr, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/1/5 | Notebook 5 | [1896-1900] |
| JHJ/3/1/3/28 | Copy of Jeans' reply to the Rev. F Crook, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/2/1/7 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 12 June 1903 |
| JHJ/6/8 | Review from 'The Journal and Sentinel (Winston-Salem)' for 'Through Space and Time' | c.1935 |
| JHJ/3/1/3/55 | Copy of Jeans' reply to K Hale Johnson, re Jeans' 'My Point of View' talk. | 11 March 1930 |
| JHJ/2/18 | Letters from Edmund Johnson Spitta to Jeans | c.1902 |
| JHJ/3/1/3/2 | Copy of Jeans' reply to Laurence Liesching, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/4/7 | 'On the Laws of Radiation', 'Proceedings of the Royal Society', Vol. 76 | 1905 |
| JHJ/2/1/3 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 7 November 1902 |
| JHJ/2/4/2 | Letter from Russell Kerr Gaye to Jeans | 17 August 1902 |
| JHJ/2/12 | Letters from W Lewis to Jeans | 21 June-12 September 1902 |
| JHJ/2/4/12 | Letter from Russell Kerr Gaye to Jeans | 25 January 1903 |
| JHJ/6/25 | Review from 'The Scientific American' for 'Through Space and Time' | April 1935 |
| JHJ/4/48 | 'The Radiation From a Pulsating Star and From a Star in Process of Fission', 'Monthly Notes of the Royal Astronomical Society', Vol. LXXXVI, No. 3 | January 1926 |
| JHJ/2/1/5 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 9 June 1903 |
| JHJ/2/4/10 | Letter from Russell Kerr Gaye to Jeans | 5 December 1902 |
| JHJ/5/2/4 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/1/9 | Notebook 9 | [1896-1900] |
| JHJ/3/1/3/59 | Letter from Capt. AH Pretty, re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/4/28 | 'The Nebular Hypothesis & Modern Cosmogony' | 1923 |
| JHJ/2/1/11 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 29 April 1904 |
| JHJ/3/1/3/48 | Letter from JG Flowerdew Lowson, re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/6/29 | Review from 'The Watchman-Examiner' for 'Through Space and Time' | 24 January 1935 |
| JHJ/6/11 | Review from 'The Knoxville News-Sentinel' for 'Through Space and Time' | 23 December 1934 |
| JHJ/2/12/2 | Letter from W Lewis to Jeans | 25 June 1902 |
| JHJ/3/1/3/86 | Copy of Jeans' reply to JVS La Mont, re Jeans' 'My Point of View' talk. | 11 March 1930 |
| JHJ/4/49 | 'The Evolution of the Stars', 'Nature' | 2 January 1926 |
| JHJ/3/1/3/6 | Letter from Mrs Jesse M Powell re Jeans' 'My Point of View' talk. | 3 March 1930 |
| JHJ/6/5 | Review from 'The City College of New York Mercury' for 'Through Space and Time' | December 1934 |
| JHJ/3/1/3/60 | Copy of Jeans' reply to Capt. AH Pretty, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/3/30 | Copy of Jeans' reply to F Vamhouse, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/3/24 | Copy of Jeans' reply to Mrs Mary Dendy, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/33 | 'Man And the Universe' | 30 October 1945 |
| JHJ/6/23 | Review from 'The Review and Expositor - A Baptist Theological Quarterly' for 'Through Space and Time' | January 1935 |
| JHJ/3/1/3/53 | Copy of Jeans' reply to Lady Harris, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/5/2/12 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/2/18/3 | Letter from Edmund Johnson Spitta to Jeans | n.d. [1902] |
| JHJ/3/36 | 'Junior Mathematical Association' | 8 October n.d. |
| JHJ/3/1/3/70 | Copy of Jeans' reply to LB Warden, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/21/1 | Royal Institution lectures | 1938 |
| JHJ/3/1/3/45 | Copy of Jeans' reply to FA Holmes, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/3/5 | Postcard from I.B (?) re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/3/1/3/9 | Copy of Jeans' reply to Sir Alfred Yarrow, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/1 | 'Points of View' | c.1930 |
| JHJ/6/14 | Review from 'The Milwaukee Journal - Books and their Authors' for 'Through Space and Time' | 23 December 1934 |
| JHJ/3/12 | 'Some problems of present day Astronomy' | 11 September 1936 |
| JHJ/2/4/19 | Letter from Russell Kerr Gaye to Jeans | 8 March 1903 |
| JHJ/3/3/2 | 'Out in the Depths of Space' | December 1930 |
| JHJ/2/14 | Letter from Richard Belward Rackham to Jeans | 17 Jan [c.1902] |
| JHJ/3/1/3/84 | Copy of Jeans' reply to HC Linnell, re Jeans' 'My Point of View' talk. | 11 March 1930 |
| JHJ/4/87 | 'The Physical Condition of the Planets' | 25 March 1941 |
| JHJ/3/1/3/75 | Letter from Lord Danesfort, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/5/2/3 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/5/2/14 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/1/7 | Notebook 7 | [1896-1900] |
| JHJ/2/12/1 | Letter from W Lewis to Jeans | 21 June 1902 |
| JHJ/2/12/5 | Letter from W Lewis to Jeans | 12 September 1902 |
| JHJ/6/12 | Review from 'The Literary Lantern' (Chapel Hill, N.C.) for 'Through Space and Time' | January 1935 |
| JHJ/3/1/3/1 | Letter from Laurence Liesching to Jeans, re Jeans' 'My Point of View' talk. | February 1930 |
| JHJ/2/21 | Letter from Robert Williams Wood FRS (1868-1955) to Jeans | 5 Feb 1907 |
| JHJ/4/8 | 'La Théorie Cinetique de la Chaleur Spécifique, D'aprés Maxwell et Boltzmann', 'Rapports et Discussions de la Réunion Tenue a Bruxelles' | 1912 |
| JHJ/6/20 | Review from 'The Ohio Work' for 'Through Space and Time' | 13 December 1934 |
| JHJ/3/1/2 | 'My Point of View' | 1930 |
| JHJ/2/11/3 | Letter from Reginald St John Parry to Jeans | 11 July 1902 |
| JHJ/3/1/3/8 | Letter from Sir Alfred Yarrow re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/1/3/34 | Letter from William Pratt, re Jeans' 'My Point of View' talk. | 26 February 1930 |
| JHJ/2/19/2 | Letter from Herbert Hall Turner FRS (1861-1930) to Jeans | 7 May 1906 |
| JHJ/3/1/3/64 | Copy of Jeans' reply to Charles Barton, re Jeans' 'My Point of View' talk. | 19 March 1930 |
| JHJ/5/2/13 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/4/39 | 'The Ages and Masses of the Stars', 'Nature' | 6 December 1924 |
| JHJ/5/2/17 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/3/1/3/49 | Copy of Jeans' reply to JG Flowerdew Lowson, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/6/1 | Review from 'The Baltimore Southern Methodist' for 'Through Space and Time' | 24 January 1935 |
| JHJ/4/57 | 'The Genesis of the Great Nebulæ', 'Nature' | 26 February 1927 |
| JHJ/4/20 | 'The Present Position of the Nebular Hypothesis', 'Scientia', Vol. XXIV | October 1918 |
| JHJ/3/13/1 | Royal Institution lectures | 1936 |
| JHJ/2/17/2 | Letter from Adam Sedgewick FRS (1854-1913) to Jeans | 9 Dec 1902 |
| JHJ/3/1/3/54 | Letter from K Hale Johnson, re Jeans' 'My Point of View' talk. | 7 March 1930 |
| JHJ/5/2/1 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/2/4/18 | Letter from Russell Kerr Gaye to Jeans | 1 March 1903 |
| JHJ/3/1/3/72 | Copy of Jeans' reply to WM Hitchcock, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/19/5 | 'Beginning and end of the Universe' | 1937 |
| JHJ/2/12/4 | Letter from W Lewis to Jeans | 7 September 1902 |
| JHJ/3/1/3/61 | Letter from J Chalen, re Jeans' 'My Point of View' talk. | 27 February 1930 |
| JHJ/3/1/3/13 | Letter from RG Harley re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/2/1/17 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 2 December 1904 |
| JHJ/4/90 | 'The Evolution of the Solar System', 'Endeavour', Vol. II, Number 5 | January 1943 |
| JHJ/3/1/3/80 | Copy of Jeans' reply to Mrs Eleanor Restieaux, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/2/9 | Letter from John Milne FRS to Jeans | 15 Oct 1902 |
| JHJ/3/11 | 'Some problems of present day astronomy' | April 1936 |
| NLB/64/561 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [George] Udny Yule Esq., FRS, St. John's College, Cambridge | 03 May 1923 |
| JHJ/3/1/3/3 | Letter from Sir Charles Bright re Jeans' 'My Point of View' talk. | 12 March 1930 |
| JHJ/5/2/9 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/3/31/3 | 'Stars' | 1943 |
| JHJ/3/1/3/51 | Copy of Jeans' reply to HR Beaton, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/2/19/3 | Letter from Herbert Hall Turner FRS (1861-1930) to Jeans | 10 May 1906 |
| JHJ/3/20 | 'The Sample of the Universe Surrounding Us' | 2 November 1937 |
| JHJ/3/37 | 'The Electric Transmission of Sound' | nd |
| JHJ/3/1/3/26 | Copy of Jeans' reply to AW Elliot, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/2/5 | Letters from GH Hardy FRS (1877-1947) to Jeans | |
| JHJ/4/69 | 'The Evolution of the Universe', 'Nature' | 24 October 1931 |
| JHJ/3/1/3/35 | Copy of Jeans' reply to William Pratt, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/3/69 | Letter from LB Warden, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/1/3/78 | Copy of Jeans' reply to D Whitelaw, re Jeans' 'My Point of View' talk. | 5 March 1930 |
| JHJ/3/24/3 | 'The Variety of the Stars' | 1940 |
| JHJ/3/1/3/14 | Copy of Jeans' reply to RG Harley, re Jeans' 'My Point of View' talk. | 3 March 1930 |
| JHJ/3/13/4 | 'Galaxy' | 1936 |
| JHJ/3/1/3/47 | Copy of Jeans' reply to Maj. JC Daniell, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/3/19 | Letter from EC Cull re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/4/71 | 'British Journal of Radiology', Vol. V, No. 49 | January 1932 |
| JHJ/4/27 | 'The Theory of the Scattering of alpha and ß-Rays', 'Proceedings of the Royal Society', A, Vol. 102 | 1922 |
| JHJ/3/1/3/12 | Letter from Sir Arthur Conan Doyle re Jeans' 'My Point of View' talk. | 3 March 1930 |
| JHJ/2/1/15 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 11 July 1904 |
| JHJ/3/38 | 'The New Telescope at Pasadena' | nd |
| JHJ/4/51 | 'Stellar Opacity and the Atomic Weight of Stellar Matter', 'Monthly Notes of the Royal Astronomical Society', Vol. LXXXVI, No. 8 | June 1926 |
| JHJ/2/4/11 | Letter from Russell Kerr Gaye to James Jeans | 13 January 1903 |
| JHJ/2/11/5 | Letter from Reginald St John Parry to Jeans | 7 December 1902 |
| JHJ/3/1/3/20 | Copy of Jeans' reply to EC Cull, re Jeans' 'My Point of View' talk. | 3 March 1930 |
| JHJ/4/33 | 'Van Der Waals Memorial Lectrue', 'Transactions of the Chemical Society', 1923, Vol. 123 | 1923 |
| JHJ/3/1/3 | Correspondence arising from Jeans' 'My Point of View' talk for the BBC | 1930 |
| JHJ/5/2/7 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/4/73 | 'Fortnightly Review' | January 1932 |
| JHJ/4/17 | 'Gravitational Instability and the Figure of the Earth', 'Proceedings of the Royal Society', A, Vol. 93 | 1917 |
| JHJ/2/19/1 | Letter from Herbert Hall Turner FRS (1861-1930) to Jeans | 1 Oct 1903 |
| JHJ/4/45 | 'On Cepheid and Long-Period Variation and the Formation of Binary Stars and Fission', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXV, No. 8 | June 1925 |
| JHJ/2/4/4 | Letter from Russell Kerr Gaye to Jeans | 12 September 1902 |
| JHJ/4/21 | 'The Evolution of Binary Systems', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXIX, No. 2 | December 1918 |
| JHJ/3/29/1 | 'Royal Institution lectures' | 1944 |
| JHJ/3/24/4 | 'The Internal Structure of the Stars' | 1940 |
| JHJ/2/4/5 | Letter from Russell Kerr Gaye to Jeans | 2 October 1905 |
| JHJ/4/34 | 'Internal Motions in Spiral Nebulaæ', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXIV, No. 2 | December 1923 |
| JHJ/5/2/10 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/4/74 | 'The Expansion of the Universe' | 1933 |
| JHJ/3/1/3/77 | Letter from D Whitelaw, re Jeans' 'My Point of View' talk. | 27 February 1930 |
| JHJ/3/26/4 | 'Evolution of the Stars' | 1942 |
| JHJ/3/34 | 'Man And the Universe' | 10 November 1945 |
| JHJ/3/19/4 | 'Universe of Relativity' | 1937 |
| JHJ/2/5/2 | Letter from G H Hardy FRS (1877-1947) to Jeans | nd |
| JHJ/3/19/1 | Royal Institution lectures | 1937 |
| JHJ/3/39 | 'Cosmogony and Cosmology' | nd |
| JHJ/3/26/1 | 'Royal Institution lectures' | 1942 |
| JHJ/3/1/3/56 | Letter from Eden Phillpotts, re Jeans' 'My Point of View' talk. | 5 March 1930 |
| JHJ/4/92 | 'Newton and the Science of Today', 'Proceedings of the Royal Society of London<i/>, A, vol.181, pp251-262 | 6 May 1943 |
| JHJ/4/78 | 'The Size and Age of the Universe' | 1936 |
| JHJ/4/37 | 'Report on Radiation and Quantum-Theory' | 1924 |
| JHJ/3/1/3/38 | Letter from WJ Makin, 'Pearson's Weekly', re Jeans' 'My Point of View' talk. | 26 February 1930 |
| JHJ/3/29/2 | 'The Galactic System' | 1944 |
| JHJ/5/2/16 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/4/2 | 'The Stability of a Spherical Nebula', 'Philosophical Transactions of the Royal Society', A, Vol. 199, pp1-53 | 1902 |
| JHJ/7/1 | Jeans' death mask | 1946 |
| JHJ/5/2/15 | 'Astronomy & Cosmogony' | c.1928 |
| JHJ/7/2 | Letter from John M Sherlock, Funeral Director, to Dr Christopher Jeans | 27 September 1993 |
| JHJ/4/75 | 'The New World-Picture of Modern Physics' | 1934 |
| JHJ/2/11/1 | Letter from Reginald St John Parry to Jeans | 4 May 1902 |
| JHJ/4/62 | 'The Wider Aspects of Cosmogony', 'Supplement to Nature<i/> | 24 March 1928 |
| NLB/66/721 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. McLennan, FRS | 25 June 1924 |
| JHJ/3/1/3/43 | Copy of Jeans' reply to Mrs Gladys McMuir, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/1/3/33 | Postcard from LH Bragg, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| NLB/64/92 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Algernon] Parsons, FRS | 30 June 1923 |
| NLB/66/32 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 12 February 1924 |
| NLB/69/583 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Messrs. L. Messel & Co., 31 Throgmorton Street, EC2 | 11 June 1926 |
| NLB/59/792 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Heath, [Secretary of] the Department of Scientific and Industrial Research | 11 November 1920 |
| JHJ/4/95 | 'Electric Transmission of Sound' | nd |
| NLB/58/397 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to the Secretary of the National Union of Scientific Workers | 30 April 1920 |
| JHJ/4/15 | 'The Part Played by Rotation in Cosmic Evolution', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXVII, No. 3 | January 1917 |
| JHJ/4/97 | 'The Structure of the Universe' | nd |
| NLB/63/645 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Lord Rayleigh, FRS | 23 November 1922 |
| JHJ/2/3 | Letter from Edwin Brant Frost, (1866-1935), Editor 'Astrophysical Journal', to Jeans | 23 May 1905 |
| JHJ/4/46 | 'On a Theorem of V. Zeipel on Radiative Equilibrium', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXV, No. 9 | September 1925 |
| JHJ/4/65 | 'The Mathematical Aspect of the Universe' | c.1931-1932 |
| JHJ/2/17 | Letters from Adam Sedgewick FRS (1854-1913) to Jeans | 17 Nov-9 Dec 1902 |
| NLB/67/190 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, KBE, FRS | 6 November 1924 |
| NLB/60/140 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 14 December 1920 |
| NLB/68/382 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 1 July 1925 |
| NLB/67/412 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 16 December 1924 |
| NLB/64/835 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society;to Dr. [Nevil Vincent] Sidgwick, FRS | 27 June 1923 |
| NLB/58/473 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 11 May 1920 |
| JHJ/4/79 | 'The Size and Age of the Universe', 'Supplement to Nature', Vol. 137, no. 3453 | 4 January 1936 |
| JHJ/4/59 | 'On Liquid Stars and the Liberation of Stellar Energy', 'Monthly Notes of the Royal Astronomical Society', Vol. LXXXVII, No. 5 | March 1927 |
| NLB/23/2/7 | Copy letter from Sir Michael Foster, to [James Hopwood] Jeans, [Fellow of the Royal Society], Trinity College, Cambridge | 23 January 1901 |
| RR/15/353 | Referee's report by Horace Lamb, on a paper 'The equilibrium of rotating liquid cylinders' by James Hopwood Jeans | April 1902 |
| RR/15/352 | Letter from George Howard Darwin, on a paper 'The equilibrium of rotating liquid cylinders' by James Hopwood Jeans to Joseph Larmor | 5 March 1902 |
| RR/15/201 | Second referee's report by Augustus Edward Hough Love, on a paper 'The stability of the spherical nebula' by James Hopwood Jeans | 17 January 1902 |
| RR/15/66 | Referee's report by Samuel Hawksley Burbury, on a paper 'The distribution of molecular energy' by James Hopwood Jeans | 26 July 1900 |
| NLB/60/3 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, Director of the Meteorological Office and FRS | 2 December 1920 |
| NLB/68 | New Letter Book volume 68, copy letters sent from Royal Society administration | 24 April 1925-10 December 1925 |
| NLB/69 | New Letter Book volume 69, copy letters sent from Royal Society administration | 10 December 1925-26 November 1926 |
| RR/15/354 | Letter from George Howard Darwin, on a paper 'On the vibrations and stability of a gravitating planet' by James Hopwood Jeans to Joseph Larmor | 7 November 1902 |
| RR/15/355 | Referee's report by Augustus Edward Hough Love, on a paper 'On the vibrations and stability of a gravitating planet' by James Hopwood Jeans | 20 November 1902 |
| RR/15/64 | Referee's report by Joseph Larmor, on a paper 'The distribution of molecular energy' by James Hopwood Jeans | 14 July 1900 |
| RR/15/200 | Referee's report by Augustus Edward Hough Love, on a paper 'The stability of the spherical nebula' by James Hopwood Jeans | 31 July 1901 |
| NLB/21/456 | Copy letter from Robert William Frederick Harrison, to James Hopwood Jeans, [Fellow of the Royal Society], Trinity College, Cambridge | 20 November 1900 |
| MDA/A/16/39 | Table of details of past Physical Science Secretaries of Royal Society | 17 October 1955 |
| NLB/23/2/140 | Copy letter from Sir Michael Foster, to James Hopwood Jeans, [Fellow of the Royal Society], Trinity College, Cambridge | 21 November 1901 |
| MDA/A/16/41 | Copy letter from David Christie Martin to Thomas Ralph Merton | 17 October 1955 |
| NLB/21/90 | Copy letter from Robert William Frederick Harrison, to Professor George Carey Foster, Fellow of the Royal Society | 27 July 1900 |
| NLB/21/19 | Copy letter from Robert William Frederick Harrison, to Professor George Carey Foster, Fellow of the Royal Society | 16 July 1900 |
| NLB/26/305 | Copy letter from Robert William Frederick Harrison to, James Hopwood Jeans, [Fellow of the Royal Society] | 27 February 1903 |
| NLB/21/540 | Copy letter from Robert William Frederick Harrison, to James Hopwood Jeans, [Fellow of the Royal Society],Trinity College, Cambridge | 5 December 1900 |
| NLB/23/2/217 | Copy letter from Joseph Larmor, to James Hopwood Jeans, [Fellow of the Royal Society] | 24 June 1902 |
| NLB/62/375 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. P. E. Shaw; Metrology Department, University College Nottingham | 2 February 1922 |
| NLB/23/2/314 | Copy letter sent from Joseph Larmor, to James Hopwood Jeans, [Fellow of the Royal Society] | 20 March 1903 |
| NLB/24/287 | Copy letter from Robert William Frederick Harrison, to James Hopwood Jeans, Trinity College, Cambridge | 21 April 1902 |
| NLB/24/56 | Copy letter from Robert William Frederick Harrison, to [James Hopwood] Jeans, [Fellow of the Royal Society] | 22 February 1902 |
| NLB/24/700 | Copy letter from Joseph Larmor, to James Hopwood Jeans, [Fellow of the Royal Society] | 20 June 1902 |
| NLB/24/759 | Copy letter from Joseph Larmor, to [James Hopwood] Jeans, [Fellow of the Royal Society] | 3 July 1902 |
| NLB/25/726 | Copy letter from Robert William Frederick Harrison, to James Hopwood Jeans, [Fellow of the Royal Society], Mundesley, Norfolk | 15 December 1902 |
| NLB/25/855 | Copy letter from Robert William Frederick Harrison, to James Hopwood Jeans, [Fellow of the Royal Society], Trinity College, Cambridge | 12 January 1903 |
| NLB/54/132 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 13 February 1917 |
| NLB/61/844 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr. Edward [Jones] Willis; Mutual Building, Richmond, Virginia | 3 November 1921 |
| NLB/31/198 | Copy letter from Joseph Larmor, to James Hopwood Jeans, [Fellow of the Royal Society] | 8 July 1905 |
| NLB/58/412 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Robert John Strutt, FRS | 3 May 1920 |
| JHJ/3/23/3 | 'The Earth: Past, Present & Future' | c.1930s |
| NLB/67/849 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Frank Wynne Esq.; Lightwater House, Bagshot, Surrey | 25 March 1925 |
| NLB/61/446 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Stanley] Eddington, FRS | 8 July 1921 |
| NLB/32/747 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | [19 May 1906] |
| NLB/32/811 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 28 May 1906 |
| JHJ/3/23/1 | 'The Vast Universe' | c.1930s |
| JHJ/2/2 | Letter from Arthur Stanley Eddington FRS (1882-1944) to Jeans | n.d. |
| NLB/60/100 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. Hagberg Wright; London Library, St. James's Square, S.W.l. | 10 December 1920 |
| JHJ/3/9/5 | 'The Sun and its Family' | 1934 |
| JHJ/3/1/3/36 | Letter from AW Madsen, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/9/4 | 'The Other Planets' | 1934 |
| JHJ/4/30 | 'The Mechanism and Structure of Planetary Nebulaæ, 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXIII, No. 9 | 1923 |
| JHJ/3/1/3/42 | Letter from Mrs Gladys McMuir, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/31/4 | 'Galaxies' | 1943 |
| JHJ/4/86/3 | 'Urania': Official Organ of the Junior Astronomical Association, Vol. 5 No. 10 | January 1940 |
| JHJ/2/6 | Letters from Arthur Hinks FRS (1873- 1945) to Jeans | 9 November 1902-13 April 1903 |
| JHJ/4/86/2 | 'Urania': Official Organ of the Junior Astronomical Association, Vol. 5 No. 9 | December 1939 |
| JHJ/4/83 | 'The Origin of the Planets' | 1938 |
| JHJ/3/13/5 | 'Universe' | 1936 |
| JHJ/4/53 | 'Note on the Interal Densities and Temperatures of the Stars', 'Monthly Notes of the Royal Astronomical Society', Vol. LXXXVII, No. 1 | November 1926 |
| JHJ/3/3/1 | 'Weighing and Measuring the Stars' | November 1930 |
| JHJ/4/5 | 'On the Application of Statistical Mechanics to the General Dynamics of Matter and Ether', 'Proceedings of the Royal Society', Vol. A76, 1905 | 1905 |
| JHJ/4/4 | 'On the Vibrations and Stability of a Gravitating Planet', 'Philosophical Transactions of the Royal Society', A, Vol. 201, pp157-184 | 1903 |
| JHJ/3/1/3/46 | Letter from Maj. JC Daniell, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| NLB/44/429 | Copy letter from Robert William Frederick Harrison to [J [James] H [Hopwood] Jeans FRS | 11 July 1911 |
| JHJ/4/32 | 'On the Tidal Distortion of Rotating Nebulæ', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXIII, No. 8 | June 1923 |
| JHJ/3/24/2 | 'The Sun as a Typical Star' | February 1940 |
| JHJ/5/4 | 'The Story of Physical Science' | c.1930s |
| JHJ/4/88 | 'Is there Life on the Other Worlds?' | 1942 |
| JHJ/2/11 | Letters from Reginald St John Parry to Jeans | 1902, n.d. |
| JHJ/2/20 | Letter from Edmund Taylor Whittaker (1873-1956) to Jeans | 1 Nov 1902 |
| JHJ/3/1/3/17 | Letter from Ellis Barraclough re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/4/50 | 'On Radiative Viscosity and the Rotation of Astronomical Masses (Second Paper)', 'Monthly Notes of the Royal Astronomical Society', Vol. LXXXVI, No. 7 | May 1926 |
| JHJ/3/19/2 | 'Sample of the Universe Surrounding Us' | 1937 |
| JHJ/4/76 | 'The New World-Picture of Modern Physics', 'Nature' | 8 September 1934 |
| JHJ/2/8 | Letter from Diederik Johannes Korteweg (1848-1941) to Jeans | 7 October 1905 |
| JHJ/4/10 | 'On the Potential of Ellipsodial Bodies, and the Figures of Equilibrium of Rotating Liquid Masses', 'Philosophical Transactions of the Royal Society', A, Vol. 215, pp27-78 | 1915 |
| JHJ/4/23 | 'The Quantum Theory and New Theories of Atomic Structure', 'Transactions of the Chemical Society', 1919, Vol. 115 | 1919 |
| JHJ/1/4 | Notebook 4 | 1896-1897 |
| JHJ/3/15 | 'Some large-scale problems of Astronomy' | c.1936 |
| JHJ/3/21/4 | 'The Earth Galactic Nebulae' | 1938 |
| JHJ/4/93 | 'Symposium: The New Physics and Metaphysical Materialism', by L. Susan Stebbing | 19 May 1943 |
| JHJ/4/42 | 'The Effect of Varying Mass in a Binary System', 'Monthly Notes of the Royal Astronomical Society', Vol. LXXXV, No. 9 | 1925 |
| JHJ/3/1/3/73 | Letter from the Rev. FW Keane, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/21 | 'Cosmology and Cosmogony' | November 1938 |
| JHJ/4/80 | 'Gegenwartsprobleme der Astronomie' | 29 April 1936 |
| JHJ/4/1 | 'The Distribution of Molecular Energy', 'Philosophical Transactions of the Royal Society', A, Vol. 196, pp397-430 | 1901 |
| JHJ/3/1/3/71 | Letter from WM Hitchcock, re Jeans' 'My Point of View' talk. | 26 February 1930 |
| JHJ/4/3 | 'On the Equilibrium of Rotating Cylinders', 'Philosophical Transactions of the Royal Society', A, Vol. 200, pp67-104 | 1902 |
| JHJ/4/60 | 'Isaac Newton', 'Nature', 26 March 1927 | 1927 |
| JHJ/4/22 | 'The Internal Constitution and Radiation of Gaseous Stars', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXIX, No. 5 | March 1919 |
| JHJ/4/29 | 'The Propagation of Earthquake Waves', 'Proceedings of the Royal Society', A, Vol. 102 | 1923 |
| NLB/62/407 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to R. S. Whipple Esquire; the Cambridge and Paul Instrument Co. Ltd., 45 Grosvenor Place | `9 February 1922 |
| JHJ/3/3 | 'The Stars in Their Courses' | November-December 1930 |
| JHJ/2/1/13 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 28 May 1904 |
| JHJ/2/18/2 | Letter from Edmund Johnson Spitta to Jeans | 9 April [c.1902] |
| JHJ/4/72 | 'Philosophy': The Journal of the British Institute of Philosophy, Vol. VII, No. 25 | January 1932 |
| NLB/58/142 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Sir Joseph [John] Thomson, President of the Royal Society | 18 March 1920 |
| NLB/58/411 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Augustus Edward Hough] Love, FRS | 3 May 1920 |
| JHJ/3/21/5 | 'Cosmology' | 1938 |
| JHJ/3/18 | Talk by Jeans for the BBC on Lord Rutherford | October 1937 |
| JHJ/3/22/1 | 'Royal Instituton lectures' | 1938 |
| JHJ/3/28/3 | 'Photographic Astronomy' | 1943 |
| JHJ/2/4 | Letters from Russell Kerr Gaye to Jeans | 19 July 1902-13 March 1903 |
| JHJ/3/21/3 | 'Binary Stars and Planetary Systems' | 1938 |
| JHJ/4/47 | 'Electric Forces and Quanta: The Sixteenth Kelvin Lecture' | 1925 |
| JHJ/4/44 | 'On the Masses, Luminosities, and Surface-Temperatures of the Stars (Final Note)', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXV, No. 8 | June 1925 |
| JHJ/1/3 | Notebook 3 | [1896-1900] |
| JHJ/3/19 | 'The Astronomical Universe' | November 1937 |
| JHJ/7/3 | Letter from Christopher Jeans concerning his father's death mask | 15 February 1993 |
| JHJ/3/26/5 | 'Evolution of the Solar System' | 1942 |
| JHJ/2/5/1 | Letter from GH Hardy FRS (1877-1947) to Jeans | |
| JHJ/3/7/1 | Royal Institution Christmas lectures | 1933 |
| JHJ/3/1/3/65 | Letter from W Darby, re Jeans' 'My Point of View' talk. | 11 March 1930 |
| JHJ/4/55 | 'On Liquid Stars: Configurations of Stability, Long-Period Variables and Stellar Evolution', 'Monthly Notes of the Royal Astronomical Society', Vol. LXXXVII, No. 9 | 1927 |
| JHJ/3/1/3/15 | Letter from William Brown re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/1/3/31 | Letter from Miss Orr, West Dulwich, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/4/40 | 'On the Masses, Luminosities, and Surface-Temperatures of the Stars', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXV, No. 3 | January 1925 |
| JHJ/4/81 | 'Giant and Dwarf Stars', 'The Listener' | 12 May 1937 |
| JHJ/2/4/3 | Letter from Russell Kerr Gaye to Jeans | 23 August 1902 |
| JHJ/5/2 | 'Astronomy & Cosmogony' | c.1927 |
| JHJ/3/8/3 | 'Moon and Planets' | 1933 |
| JHJ/2/4/13 | Letter from Russell Kerr Gaye to Jeans | 25 January 1903 |
| JHJ/2/16 | Letter from C Sayle to Jeans | 31 July 1903 |
| JHJ/3/19/3 | 'Are the Nebulae Receding?' | 1937 |
| JHJ/2/1/14 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 23 June 1904 |
| JHJ/3/28/1 | Royal institution lectures | 1943 |
| JHJ/2/6/2 | Letter from Arthur Hinks FRS (1873- 1945) to Jeans | 13 April 1903 |
| JHJ/3/9/6 | 'Other Suns Than Ours' | 1934 |
| JHJ/3/1/3/66 | Copy of Jeans' reply to W Darby, re Jeans' 'My Point of View' talk. | 17 March 1930 |
| JHJ/2/13 | Postcard from Hendrik Anton Lorentz to Jeans | 29 November 1901 |
| JHJ/3/8/2 | 'Earth and Moon' | 1933 |
| JHJ/3/1/3/81 | Letter from E Hawks, FRAS, re Jeans' 'My Point of View' talk. | 23 April 1930 |
| JHJ/4/9 | 'Gravitational Instability and the Nebular Hypothesis', 'Philosophical Transactions of the Royal Society', A, Vol. 213, pp457-485 | 1913 |
| JHJ/3/14 | 'Some large scale problems of Astronomy' | February [c.1936] |
| JHJ/2/15/1 | Letter from Charles Donald Robertson to Jeans | 1 July [1902] |
| JHJ/3/5 | 'Four Lectures In Modern Astronomy' | March-April 1933 |
| JHJ/4 | Publications | c.1901-1943 |
| JHJ/3/22 | 'The Problem of the Astronomical Universe' | 25 November 1938 |
| JHJ/3/9/2 | 'Our Window Into Space - the Night Sky' | 1934 |
| JHJ/3/31/1 | 'Royal Instiution lectures' | 1943 |
| NLB/68/7 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 27 April 1925 |
| JHJ/3/7/2 | 'Earth and Moon' | 1933 |
| JHJ/4/56 | 'Harmsworth's Universal History', No. 1 | 1927 |
| JHJ/2/4/16 | Letter from Russell Kerr Gaye to Jeans | 15 February 1903 |
| JHJ/1 | Notebooks | [1896-1900] |
| JHJ/3/31/2 | 'Planets' | 1943 |
| JHJ/2/17/1 | Letter from Adam Sedgewick FRS (1854-1913) to Jeans | 17 Nov 1902 |
| JHJ/2/4/7 | Letter from Russell Kerr Gaye to Jeans | 21 October 1902 |
| JHJ/3/9/8 | 'The Furthest Depths of Space' | 1934 |
| JHJ/2/4/15 | Letter from Russell Kerr Gaye to Jeans | 8 February 1903 |
| JHJ/3/7/7 | 'The Nebulae' | 1933 |
| JHJ/3/7/6 | 'The Further Stars' | 1933 |
| JHJ/2/10 | Letter from HF Neale to Jeans | 3 December 1903 |
| JHJ/6/2 | Review from 'The Booklist - A Guide to Books - American Library Association' for 'Through Space and Time' | January 1935 |
| JHJ/3/8/1 | 'Royal Institution Christmas lectures | 1933 |
| JHJ/3/31 | 'Old And New Descriptions of the Astronomical Universe' | November 1944 |
| JHJ/3/7/3 | 'Moon and Planets' | 1933 |
| JHJ/1/6 | Notebook 6 | 1897 |
| NLB/60/101 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Joseph Ernest] Petavel, FRS | 10 December 1920 |
| JHJ/3/1/3/85 | Notes sent to Jeans by JVS La Mont, re Jeans' 'My Point of View' talk. | [March 1930] |
| JHJ/3/28/4 | 'Physical Astronomy' | 1943 |
| JHJ/2/1/19 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 6 July 1905 |
| JHJ/3/1/3/39 | Copy of Jeans' reply to WJ Makin, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/3/8/7 | 'The Nebulae' | 1933 |
| JHJ/3/1/3/58 | Letter to Jeans, re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/5/6 | Draft entitled 'Chapter V - Stars' | nd |
| JHJ/4/86/4 | 'Urania': Official Organ of the Junior Astronomical Association, Vol. 5 No. 11 | February 1940 |
| JHJ/3/13 | 'Astronomy - Some recent advances' | November 1936 |
| JHJ/3/5/2 | 'Planets' | 1933 |
| JHJ/4/86 | 'Urania': Official Organ of the Junior Astronomical Association | November 1939-February 1940 |
| JHJ/3/7/4 | 'The Sun and its Family' | 1933 |
| JHJ/3/1/3/44 | Letter from FA Holmes, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/4/64 | 'The Physics of the Universe', 'Supplement to Nature', No. 3079 | 3 November 1928 |
| JHJ/2/6/1 | Letter from Arthur Hinks FRS (1873- 1945) to Jeans | 9 November 1903 |
| JHJ/4/25 | 'The Motions of the Stars in a Kapteyn-Universe' and 'The Dynamics of Moving Clusters', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXII, No. 3 | January 1922 |
| JHJ/2/4/17 | Letter from Russell Kerr Gaye to Jeans | 22 February 1903 |
| JHJ/3 | Talks and lectures | 1930-1945 |
| JHJ/2 | Correspondence with Jeans, 1901-1907 | 1901-1907 |
| JHJ/3/1/3/22 | Copy of Jeans' reply to Miss Armstrong, re Jeans' 'My Point of View' talk. | 1 March 1930 |
| JHJ/2/1/4 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 8 June 1903 |
| JHJ/3/29 | 'The Galactic System' | 28 April 1944 |
| JHJ/2/1/6 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 10 June 1903 |
| JHJ/2/15/2 | Letter from Charles Donald Robertson to Jeans | 11 Dec [c.1902] |
| JHJ/2/11/6 | Incomplete letter from Reginald St John Parry to Jeans | n.d. [1902-1903] |
| JHJ/3/28 | 'The Methods of Modern Astronomy' | November 1943 |
| JHJ/3/9/1 | 'Our Home in Space - The Earth' | 1934 |
| NLB/48/260 | Copy letter from Arthur Schuster, to Dr [James Hopwood] Jeans, Fellow of the Royal Society | 5 June 1913 |
| JHJ/4/16 | 'Recent Developments in Molecular Physics', 'Royal Institution of Great Britain' | March 1917 |
| NLB/63/618 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Sir Frank Dyson, FRS | 15 November 1922 |
| JHJ/4/54 | 'Recent Developments of Cosmical Physics', 'Supplement to Nature', No. 2979 | 4 December 1926 |
| JHJ/2/1 | Letters from Samuel Hawkesley Burbury FRS to Jeans | 11 February 1902-6 July 1905 |
| JHJ/2/4/14 | Letter from Russell Kerr Gaye to Jeans | 1 February 1903 |
| JHJ/3/16 | 'Gegenwarts-Probleme der Astronome' | [1936] |
| JHJ/3/40 | 'Evolution in Astronomy' | c.1942 |
| JHJ/4/19 | 'The Equations of Radiative Transfer of Energy' and 'The Evolution and Radiation of Gaseous Stars', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXVIII, No. 1 | November 1917 |
| JHJ/3/7/5 | 'The Nearer Stars' | 1933 |
| JHJ/2/7 | Letters from Jeans to himself | 19 April 1902-24 April 1902 |
| JHJ/4/52 | 'The Exact Equations of Radiative Equilibrium', 'Monthly Notes of the Royal Astronomical Society', Vol. LXXXVI, No. 8 | June 1926 |
| JHJ/4/26 | 'Address delivered by the President, Professor A.S. Eddington, on the Award of the Gold Medal to Dr James Hopwood Jeans', 'Monthly Notices of the Royal Astronomical Society' | February 1922 |
| JHJ/4/67 | 'The Origin of the Solar System', 'Journal of the Franklin Institute', Vol. 212, No. 2 | August 1931 |
| JHJ/3/1/3/50 | Letter from HR Beaton, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/9/3 | 'The Nearest Neighbour in Space - The Moon' | 1934 |
| JHJ/3/8 | 'Through Time and Space' | December 1933-January 1934 |
| JHJ/4/13 | 'The Motion of Tidally-Distorted Masses with Special Reference to Theories of Cosmogony', 'Memoirs of the Royal Astronomical Society', Vol. LXII | 1916 |
| JHJ/3/1/4 | 'The Listener' | 5 March 1930 |
| JHJ/4/18 | 'The Configurations of Rotating Compressible Masses', 'Philosophical Transactions of the Royal Society', A, Vol. 218, pp157-210. | 1917 |
| JHJ/3/1 | BBC Radio Broadcast, 'My Point of View' | 1930 |
| JHJ/3/1/3/21 | Letter from Miss Armstrong, Maida Vale, re Jeans' 'My Point of View' talk. | 24 February 1930 |
| JHJ/3/10 | 'Size and Age of the Universe' | 29 November 1935 |
| JHJ/3/1/3/29 | Letter from F Vamhouse, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/3/24/5 | 'The Evolution of the Stars and the Universe' | 1940 |
| JHJ/4/43 | 'Electric Forces and Quanta', 'Nature' | 7 March 1925 |
| JHJ/7/4 | Photocopy of pages from 'The Searching Spirit' by Joy Adamson (Harper Collins, 1978) | 1978 |
| JHJ/3/2 | Presentation speech for the 1930 Hawthornden Prize | 1930 |
| JHJ/7 | Jeans' Death Mask | 1946-1993 |
| JHJ/5 | Drafts and Manuscripts | c.1920s-1940s |
| JHJ/2/4/1 | Letter from Russell Kerr Gaye to Jeans | 19 July 1902 |
| JHJ/3/1/3/67 | Letter from M Hodder, re Jeans' 'My Point of View' talk. | 25 March 1930 |
| JHJ/3/26/3 | 'Evolution of the Universe' | 1942 |
| JHJ/3/21/2 | 'Some General Principles' | 1938 |
| JHJ/2/4/6 | Letter from Russell Kerr Gaye to Jeans | 19 October 1902 |
| JHJ/4/11 | 'On the Theory of Star-Streaming and the Structure of the Universe', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXVI, No. 2 | December 1915 |
| JHJ/3/8/5 | 'The Nearer Stars' | 1933 |
| JHJ/3/26 | 'Evolution in Astronomy' | November 1942 |
| JHJ/4/94 | 'Symposium: The New Physics and Metaphysical Materialism' | 19 May 1943 |
| JHJ/3/9/7 | 'The Milky Way - A Great City of Stars' | 1934 |
| JHJ/3/1/3/27 | Letter from the Rev. F Crook, re Jeans' 'My Point of View' talk. | 25 February 1930 |
| JHJ/4/68 | 'The Origin of the Solar System', 'Nature' | 12 September 1931 |
| JHJ/2/7/1 | Letter from Jeans to himself | 19 April 1902 |
| JHJ/5/1 | 'On the Equilibrium Configurations and motion of a tidally distorted mass of fluid' | c.1915 |
| JHJ/5/3 | Odd sheets of notes, printed matter and handwritten article | c.1927-1943 |
| JHJ/2/7/2 | Letter from Jeans to himself | 24 April 1902 |
| JHJ/2/1/1 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 1 February 1902 |
| JHJ/3/24 | 'Present Day Study of the Stars' | February 1940 |
| JHJ/4/89 | 'Is there Life on the Other Worlds?' | 1941 |
| JHJ/2/15 | Letters from Charles Donald Robertson to Jeans | 11 December [c.1902] |
| JHJ/2/4/20 | Letter from Russell Kerr Gaye to Jeans | 13 March 1903 |
| JHJ/2/11/2 | Letter from Reginald St John Parry to Jeans | 11 May 1902 |
| JHJ/3/24/1 | 'Royal Institution lectures' | 1940 |
| JHJ/4/14 | 'On the Law of Distribution in Star-Clusters', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXVI, No. 7 | May 1916 |
| JHJ/3/8/6 | 'The Further Stars' | 1933 |
| JHJ/4/85 | 'The Depths of Space' | 1938 |
| JHJ/2/1/18 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 7 December 1904 |
| JHJ/4/63 | 'Journal of the Royal Society of Arts', Vol. LXXVI, No. 3936 | 27 April 1928 |
| JHJ/2/1/16 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 30 August 1904 |
| JHJ/3/13/3 | 'Stars' | 1936 |
| JHJ/3/23 | 'The Romance of the Stars' | c.1930s |
| NLB/59/187 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 23 July 1920 |
| JHJ/3/3/3 | 'The Great Universe' | December 1930 |
| JHJ/4/35 | 'The Origin of the Solar System' | 1924 |
| JHJ/3/8/4 | 'The Sun and its Family' | 1933 |
| NLB/58/207 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Julian [Sorell] Huxley Esquire, FRS | 26 March 1920 |
| NLB/65/154 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Gilbert Thomas] Walker, FRS | 21 August 1923 |
| NLB/67/122 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Dyson, FRS | 28 October 1924 |
| NLB/50/568 | Copy letter from Robert William Frederick Harrison, to [James Hopwood] Jeans, Fellow of the Royal Society | 29 July 1914 |
| NLB/62/519 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. P. C. Austin; 130 Horseferry Road, Westminster, S.W.l. | 27 February 1922 |
| NLB/60/520 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 17 February 1921 |
| NLB/58/197 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 25 March 1920 |
| NLB/59/341 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Conrad Dressler Esquire; 1551 East Boulevard, Cleveland, Chio, U.S.A. | 22 September 1920 |
| NLB/52/132 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to James Hopwood Jeans FRS | 16 September 1915 |
| NLB/62/412 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 10 February 1922 |
| NLB/52/155 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor Charles Herbert Lees, FRS | 28 September 1915 |
| NLB/55/54 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., Chairman of the Mathematics Committee and FRS | 16 November 1917 |
| NLB/62/413 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Boog] Leishman, FRS | 10 February 1922 |
| NLB/62/504 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Gerald Ponsonby] Lenox-Conyngham, FRS | 23 February 1922 |
| RR/20/75 | Referee's report by Augustus Edward Hough Love, on a paper 'Gravitational instability and the nebular hypothesis' by James Hopwood Jeans | 17 November 1913 |
| NLB/60/83 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, Director of the Meteorological Office and FRS | 9 December 1920 |
| NLB/60/89 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Astronomical Society; Burlington House, W.l. | 10 December 1920 |
| NLB/60/383 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 20 January 1921 |
| NLB/52/460 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Sir James Hopwood Jeans, FRS | 14 December 1915 |
| NLB/58/337 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 22 April 1920 |
| NLB/60/389 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. J. Mercer, Christ's College Cambridge | 27 January 1921 |
| RR/18/58 | Referee's report by James Hopwood Jeans, on a paper 'The partition of energy between aether and matter and the constitution of the electron' by S B McLaren | April 1910 |
| NLB/62/608 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [John Louis Emil] Dreyer; 14 Staverton Street, Oxford | 23 March 1922 |
| NLB/58/406 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to M. [Francois Antoine] Alfred Lacroix | 30 April 1920 |
| NLB/60/379 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Ernest W. Hill Esquire; 19 Grayling Road, Stoke Newington, N.16 | 26 January 1921 |
| NLB/60/390 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to O. J. R. Howarth Esquire, Assistant Secretary of the British Association | 27 January 1921 |
| NLB/54/454 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 17 May 1917 |
| NLB/60/336 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William] Burnside, FRS | 21 January 1921 |
| NLB/63/644 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [John William] Nicholson, FRS | 23 November 1922 |
| NLB/64/504 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 26 April 1923 |
| NLB/62/691 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the General Secretary of the University of Padua; Padua | 6 April 1922 |
| RR/24/52 | Referee's report by Arthur Schuster, on the Bakerian Lecture 'The configurations of rotating compressible masses' by James Hopwood Jeans | nd [1917] |
| NLB/62/558 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert Vynne] Southwell Esquire; Aeronautical Department, National Physical Laboratory, Teddington | 9 March 1922 |
| NLB/62/562 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, FRS | 10 March 1922 |
| RR/23/99 | Referee's report by John Hopwood Jeans, on a paper 'Motion of solids in fluids when the flow is not irrotational' by Geoffrey Ingram Taylor | 1916 |
| NLB/54/54 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 29 January 1917 |
| NLB/58/130 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, Director of the Meteorological Offices and FRS | 18 March 1920 |
| RR/20/74 | Referee's report by Frank Watson Dyson, on a paper 'Gravitational instability and the nebular hypothesis' by James Hopwood Jeans | November 1913 |
| RR/20/133 | Referee's report by James Hopwood Jeans, on a paper 'On the critical speeds of a rotating shaft' by Richard Vynne Southwell | April 1913 |
| NLB/63/683 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Sir [James] Alfred Ewing, FRS | 30 November 1922 |
| RR/23/15 | Referee's report by James Hopwood Jeans, on a paper 'The kinetic theory of simple and composite monatomic gases : viscosity, thermal conduction, and diffusion' by S Chapman | May 1916 |
| NLB/55/356 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Mr. [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 06 March 1918 |
| NLB/64/669 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Napier Shaw FRS | 29 May 1923 |
| NLB/59/644 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George Downing] Liveing, FRS | 28 October 1920 |
| NLB/59/561 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Daniel Biddle Esquire | 19 October 1920 |
| NLB/64/100 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Physical Society of London; National Physical Laboratory, Teddington | 1 February 1923 |
| NLB/54/283 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 21 March 1917 |
| NLB/54/395 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 2 May 1917 |
| RR/23/89 | Referee's report by James Hopwood Jeans, on a paper 'Application of Weber's electrodynamic law to the motions of binary stars' by T J J See | May 1916 |
| NLB/54/332 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 13 April 1917 |
| RR/20/130 | Referee's report by James Hopwood Jeans, on a paper 'On the general theory of elastic stability' by Richard Vynne Southwell | February 1913 |
| NLB/55/348 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Mr. [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 05 March 1918 |
| NLB/54/384 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 27 April 1917 |
| NLB/60/840 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 14 April 1921 |
| NLB/65/554 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor, FRS | 20 November 1923 |
| RR/22/102 | Referee's report by James Hopwood Jeans, on a paper 'Radiation from a spherical source and the distribution of energy in the normal spectrum' by L Silberstein | October 1915 |
| NLB/58/198 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 25 March 1920 |
| NLB/60/848 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Director of the Meteorological Office; Air Ministry, London, W.C.2. | 14 April 1921 |
| NLB/60/868 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 19 April 1921 |
| NLB/58/723 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 11 June 1920 |
| RR/24/4 | Referee's report by James Hopwood Jeans, on a paper 'Electronic frequency and atomic number' by Herbert Stanley Allen | nd [1917] |
| NLB/58/339 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George Barstow | 22 April 1920 |
| NLB/59/725 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Walter William] Rouse Ball; Trinity College, Cambridge | 5 November 1920 |
| NLB/59/726 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Whitehead] Watts, Chairman of the Geology Committee and FRS | 5 November 1920 |
| NLB/61/10 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Henry] Young, FRS | 28 April 1921 |
| NLB/58/793 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Admiralty | 18 June 1920 |
| NLB/57/714 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor JW [John Walter] Gregory, FRS | 27 January 1920 |
| NLB/61/1 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 26 April 1921 |
| RR/23/46 | Referee's report by Frank Watson Dyson, on a paper 'On the instability of the pear-shaped figure of equilibrium of a rotating mass of liquid' by James Hopwood Jeans | April 1916 |
| NLB/59/781 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS; New College, Oxford | 11 November 1920 |
| NLB/60/34 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick William] Gamble, FRS | 3 December 1920 |
| NLB/58/404 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Alan Archibald] Cambell Swinton Esquire, FRS | 30 April 1920 |
| NLB/61/493 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 12 July 1921 |
| NLB/58/676 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 3 June 1920 |
| NLB/54/677 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 26 July 1917 |
| NLB/54/838 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 16 October 1917 |
| NLB/60/9 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Herbert George] Wells Esquire | 2 December 1920 |
| NLB/61/74 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Honorary Secretary of the Science Masters' Association; St. Piran's, Maidenheaf | 5 May 1921 |
| NLB/56/323 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopewood] Jeans, Chairman of the Mathematics Committee and FRS | 14 January 1919 |
| NLB/60/37 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to John [Edensor] Littlewood Esquire, FRS | 3 December 1920 |
| NLB/56/87 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 15 November 1918 |
| NLB/58/351 | Copy letter from [Edwin Deller, Assistant Secretary of the Royal Society]; to James Hopwood Jeans, Secretary of the Royal Society | 23 April 1920 |
| NLB/56/199 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 12 December 1918 |
| NLB/61/58 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 3 May 1921 |
| NLB/56/382 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 28 January 1919 |
| NLB/58/939 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Heath, Secretary of the Department of Scientific and Industrial Research | 7 July 1920 |
| NLB/64/24 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Engineering Sciences Committee and FRS | 20 January 1923 |
| NLB/56/762 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, FRS | 20 May 1919 |
| NLB/66/749 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; To Sir Frank Dyson, FRS | 3 July 1924 |
| NLB/68/667 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 8 October 1925 |
| NLB/67/99 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 21 October 1924 |
| NLB/66/18 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. Simpson, FRS | 7 February 1924 |
| NLB/59/525 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 13 October 1920 |
| RR/24/48 | Referee's report by James Hopwood Jeans, on a paper 'The initial wave resistance of a moving surface pressure' by Thomas Henry Havelock | [1917] |
| NLB/61/168 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to John R. Henry Esquire; 10 Upper Stephen's Street, Dublin | 26 May 1921 |
| NLB/61/491 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George [Thomas] Beilby, FRS | 12 July 1921 |
| NLB/64/755 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons FRS | 14 June 1923 |
| NLB/58/206 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Edgar Johnson] Allen, FRS | 26 March 1920 |
| NLB/58/584 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Walter Lamb Esquire, Secretary of the Royal Academy | 27 May 1920 |
| NLB/58/114 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 16 March 1920 |
| NLB/58/820 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Oswald Veblen | 22 June 1920 |
| NLB/58/215 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 29 March 1920 |
| NLB/61/185 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [George Clarke] Simpson, Director of the Meteorological Office and FRS | 30 May 1921 |
| NLB/59/584 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Conrad Dressler Esquire; 1551 East Boulevard, Cleveland, Ohio, U.S.A. | 22 October 1920 |
| RR/22/10b | Referee's report by James Hopwood Jeans, on a paper 'Relation between absorption of infra-red and ultra-violet light' by Edward Charles Cyril Baly | February 1915 |
| NLB/60/343 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [George Clarke] Simpson, Director of the Meteorological Office and FRS | 21 January 1921 |
| NLB/58/233 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 30 March 1920 |
| NLB/64/507 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur] Dendy, FRS | 26 April 1923 |
| NLB/56/704 | Copy letter from Miss [Maud] K. Jukes, Clerk of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 1 May 1919 |
| NLB/59/531 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Sir Richard Redmayne | 14 October 1920 |
| NLB/59/10 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George [Thomas] Beilby, FRS | 9 July 1920 |
| NLB/66/253 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Owen Willians] Richardson, FRS | 27 March 1924 |
| NLB/58/558 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, General Secretary of the International Research Council and FRS | 21 May 1920 |
| NLB/69/867 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, FRS | 4 November 1926 |
| NLB/58/298 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to Miss Annie Porter; S. A. Institute for Medical Research, P. O. Box 1038, Johannesburg | 19 April 1920 |
| NLB/63/636 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [Archibald Vivian] Hill, FRS | 21 November 1922 |
| NLB/56/696 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [Sir Jeans Hopwood Jeans], Chairman of the Mathematics Committee | 29 April 1919 |
| NLB/58/823 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Rector of the University of Bologna | 22 June 1920 |
| NLB/58/138 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Conjoint Board of Scientific Societies | 18 March 1920 |
| NLB/60/886 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Samuel Walter Johnson] Smith, FRS | 21 April 1921 |
| NLB/64/683 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh | 2 June 1923 |
| NLB/56/789 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 23 May 1919 |
| NLB/58/792 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Threlfall, FRS | 18 June 1920 |
| NLB/59/928 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 1 December 1920 |
| NLB/66/698 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 20 June 1924 |
| NLB/58/342 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of His Majesty's Treasury | 22 April 1920 |
| NLB/66/519 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to William Dubilier Esq., Radio Patents Corporation, 48 West 4th Street, New York City, USA | 22 May 1924 |
| NLB/58/483 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 11 May 1920 |
| NLB/64/567 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to The Secretary, Royal Academy of Music, Marylebone Road, N.W.1. | 04 May 1923 |
| NLB/62/160 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to F. J. Selby Esquire | 13 December 1921 |
| NLB/59/6 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lieutenant Colonel Allan Cunningham; 20 Essex Village, Kensington, W.8. | 9 July 1920 |
| RR/41/99 | Referee's report by James Hopwood Jeans, on a paper 'Continuous absorption' by J A Gaunt | January 1930 |
| NLB/59/83 | Copy letter from [Maud] K. Jukes, Clerk of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 10 July 1920 |
| NLB/57/11 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Mr JH [James Hopwood] Jeans, FRS, Chairman, Mathematics Committee | 1 July 1919 |
| NLB/55/7 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., Chairman of the Mathematics Committee and FRS | 06 November 1917 |
| NLB/58/46 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Francis Younghusband | 4 March 1920 |
| NLB/56/902 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 24 June 1919 |
| NLB/68/306 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], FRS | 16 June 1925 |
| NLB/66/163 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Geoffrey Ingram] Taylor, FRS | 6 March 1924 |
| NLB/59/803 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 13 November 1920 |
| NLB/64/602 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 09 May 1923 |
| NLB/58/45 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Francis Wall] Oliver, FRS | 4 March 1920 |
| NLB/66/521 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frederick Alexander] Lindemann, FRS | 22 May 1924 |
| NLB/58/135 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lieutenant Colonel R. V. Douglas, Secretary Ordnance Committee | 18 March 1920 |
| NLB/59/911 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Alfred] George Greenhill, FRS | 30 November 1920 |
| NLB/59/181 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Walter] Rosenhain, FRS | 23 July 1920 |
| NLB/58/93 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to David Prain, Treasurer of the Royal Society | 12 March 1920 |
| NLB/58/88 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 12 March 1920 |
| NLB/58/400 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 30 April 1920 |
| NLB/58/128 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Joseph Ernest] Petavel, FRS | 17 March 1920 |
| NLB/58/89 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Ernest] Dalby, FRS | 12 March 1920 |
| NLB/55/205 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 14 January 1918 |
| NLB/58/450 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 6 May 1920 |
| NLB/58/624 | List created by [James Hopwood Jeans, Secretary of the Royal Society]; to an unknown recipient | [27 May 1920] |
| NLB/58/398 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the University Bureau of the British Empire | 30 April 1920 |
| NLB/58/438 | Copy letter from [James Hopwood] Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 6 May 1920 |
| NLB/58/555 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS | 21 May 1920 |
| NLB/58/513 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lieutenant Colonel R. V. Douglas, Secretary of the Ordnance Committee | 14 May 1920 |
| NLB/58/333 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lieutenant Colonel Allan Cunningham | 22 April 1920 |
| NLB/58/209 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Professor [Reginald Crundall] Punnett, FRS | 26 March 1920 |
| NLB/58/47 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 4 March 1920 |
| NLB/58/134 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the President of the Royal Meteorological Society | 18 March 1920 |
| NLB/58/133 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the President of the Scottish Meteorological Society | 18 March 1920 |
| NLB/58/120 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 16 March 1920 |
| NLB/59/146 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry Andrews] Bumstead | 21 July 1920 |
| NLB/58/618 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Ralph Allan] Sampson, Astronomer Royal for Scotland and FRS | 29 May 1920 |
| NLB/55/812 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, FRS | 03 October 1918 |
| NLB/55/209 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., FRS | 15 January 1918 |
| NLB/58/854 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor M. Knudsen | 25 June 1920 |
| NLB/58/470 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Walter Geoffrey] Duffield | 11 May 1920 |
| RR/15/202 | Report by James Hopwood Jeans, on his paper 'The stability of the spherical nebula' | February 1901 |
| NLB/58/401 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Society of Edinburgh | 30 April 1920 |
| NLB/58/495 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frederick John Marrian] Stratton Esquire, FRS | 13 May 1920 |
| NLB/64/108 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Cort Harold] Carpenter, FRS | 1 February 1923 |
| NLB/58/395 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomson Rees] Wilson Esquire, FRS | 30 April 1920 |
| NLB/58/777 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [James Whitebread Lee] Glaisher, FRS | 18 June 1920 |
| NLB/58/340 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Whitehead] Watts, Chairman of the Geology Committee and FRS | 22 April 1920 |
| NLB/60/697 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretaries of the Physical Society of London; National Physical Laboratory, Teddington | 16 March 1921 |
| NLB/58/196 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [James Whitebread Lee] Glaisher, FRS | 25 March 1920 |
| NLB/68/57 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to G. A. Armour Esq.; Allison House, Princeton, New Jersey | 7 May 1925 |
| NLB/58/402 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. H. Fowler Esquire | 30 April 1920 |
| NLB/58/396 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to the Secretary of the Heat Department, the National Physical Laboratory | 30 April 1920 |
| NLB/60/699 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Charles [Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 17 March 1921 |
| NLB/58/621 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to an unknown correspondent | 27 May 1920 |
| NLB/55/55 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., Chairman of the Mathematics Committee and FRS | 16 November 1917 |
| NLB/62/481 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society, to G. Basil Brewster Esquire; the Manse, Nesting, Shetland | 21 February 1922 |
| NLB/58/612 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to M. le Ministere de l'Instruction Publique, Prague | 27 May 1920 |
| RR/23/35 | Referee's report by James Hopwood Jeans, on a paper 'On main crests of ship waves' by George Green | February 1916 |
| NLB/58/408 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Arthur] Smith Woodward Esquire, FRS | 30 April 1920 |
| NLB/58/492 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 13 May 1920 |
| NLB/58/471 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Thomas Edward] Stanton, FRS | 11 May 1920 |
| NLB/68/473 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., Secretary of the Royal Society; Bull Hotel, Cambridge | 15 July 1925 |
| NLB/58/442 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 6 May 1920 |
| NLB/59/788 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 12 November 1920 |
| NLB/58/887 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, Director of the Meteorological Offices and FRS | 30 June 1920 |
| NLB/58/582 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hector Munro] Macdonald, FRS; 52 College Bounds, Aberdeen | 27 May 1920 |
| NLB/59/301 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor L. E. Dickson | 8 September 1920 |
| NLB/64/18 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 19 January 1923 |
| NLB/59/147 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [John Edensor] Littlewood Esquire, FRS; Stowford House, Bideford, N. Devon | 21 July 1920 |
| NLB/58/698 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society | 7 June 1920 |
| NLB/58/786 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Air Ministry | 18 June 1920 |
| NLB/58/629 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 31 May 1920 |
| NLB/59/150 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to W. R. Codling Esquire; H. M. Stationery Office, S.W.l. | 21 July 1920 |
| NLB/58/512 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 14 May 1920 |
| NLB/59/7 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Godfrey Harold] Hardy Esquire, FRS; New College, Oxford | 9 July 1920 |
| NLB/58/563 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Air Ministry | 21 May 1920 |
| NLB/58/550 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Horace Lamb, FRS | 20 May 1920 |
| NLB/59/3 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Hydrographer of the Navy | 9 July 1920 |
| NLB/61/730 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ernest William] Hobson, FRS | 18 October 1921 |
| NLB/59/709 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [H. A.] Bumstead Esquire; National Research Council, Washington | 5 November 1920 |
| NLB/69/282 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Owen Willans] Richardson, FRS | 22 February 1926 |
| NLB/59/304 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Shepherd I. Franz Esquire, c/o American Express Co.; 6 Haymarket, W. | 8 September 1920 |
| NLB/61/439 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 8 May 1921 |
| NLB/62/353 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 31 January 1922 |
| NLB/59/708 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [H. A.] Bumstead Esquire; National Research Council, Washington | 29 October 1920 |
| NLB/68/815 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir James Irvine, CBE, FRS | 5 November 1925 |
| NLB/59/9 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Horace Lamb, FRS | 9 July 1920 |
| NLB/58/622 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to an unknown correspondent | 27 May 1920 |
| NLB/58/755 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Superintendent of the Royal Aircraft Factory; South Farnborough | 15 June 1920 |
| NLB/58/678 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Jackson] Pope, Chairman of the Chemistry Committee and FRS | 3 June 1920 |
| NLB/58/797 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Society of Edinburgh | 18 June 1920 |
| RR/39/99 | Referee's report by James Hopwood Jeans, on the Bakerian Lecture 'The structure and opacity of a stellar atmosphere' by Edward Arthur Milne | [1929] |
| NLB/58/713 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 9 June 1920 |
| NLB/58/790 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. Martin Knudsen; Kongelige Danske Videnskabernes Selskab | 18 June 1920 |
| NLB/59/712 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Herbert George] Wells Esquire; Waston Glebe, Dunmow | 5 November 1920 |
| NLB/60/501 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [John] Thomson, FRS | 17 February 1921 |
| NLB/67/922 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Augustus Edward Hough] Love, FRS | 8 April 1925 |
| NLB/59/11 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Hugh Kerr] Anderson, FRS | 9 July 1920 |
| NLB/58/711 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 9 June 1920 |
| NLB/58/710 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Major-General Beresford Lovett | 9 June 1920 |
| NLB/59/256 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to William Bate Hardy, Secretary of the Royal Society | 4 August 1920 |
| NLB/59/583 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Government Hospitality Fund; 9 Queen Anne's Gate, S.W.l. | 22 October 1920 |
| NLB/58/757 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Jackson] Pope, Chairman of the Chemistry Committee and FRS | 15 June 1920 |
| NLB/58/846 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George [Thomas] Beilby, FRS | 24 June 1920 |
| NLB/61/744 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Louis Napoleon George] Filon, FRS | 20 October 1921 |
| RR/41/100 | Referee's report by James Hopwood Jeans, on a paper 'Continuous absorption' by J A Gaunt | January 1930 |
| NLB/59/713 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William Henry] Bragg, FRS | 5 November 1920 |
| NLB/61/742 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Leonard] Bairstow, FRS | 20 October 1921 |
| NLB/58/770 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward] Smith Esquire, FRS | 16 June 1920 |
| NLB/60/541 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. F. H. Pruden; 41 Church Road, Hove Sussex | 21 February 1921 |
| NLB/58/791 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Smithsonian Institution | 18 June 1920 |
| NLB/59/590 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George Downing] Liveing, FRS | 22 October 1920 |
| NLB/58/899 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Whitehead] Watts, Chairman of the Geology Committee and FRS | 30 June 1920 |
| NLB/58/870 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 28 June 1920 |
| NLB/58/895 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to William Bate Hardy, Secretary of the Royal Society | 30 June 1920 |
| NLB/58/827 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Frederick] Baker, FRS | 23 June 1920 |
| NLB/60/302 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Stanley] Eddington, FRS | 13 January 1921 |
| NLB/58/585 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 27 May 1920 |
| NLB/58/873 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Jackson] Pope, Chairman of the Chemistry Committee and FRS | 28 June 1920 |
| NLB/64/787 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [George Albert] Chaddock Wsq. Wapping, Liverpool. | 19 June 1923 |
| NLB/60/214 | Copy letter from F. E. Inglis, Clerk of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 24 December 1920 |
| NLB/64/238 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel R. L. Hippisley; 15 Kensington Court Mansions, W.8. | 27 February 1923 |
| NLB/61/104 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Victor [Albert] Bailey Esquire; Queen's College, Oxford | 10 May 1921 |
| NLB/59/54 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 12 July 1920 |
| NLB/66/531 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur William] Crossley, FRS | 24 May 1924 |
| NLB/58/926 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 5 July 1920 |
| NLB/60/206 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. H. A. Bumstead | 22 December 1920 |
| NLB/62/480 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Brig. General W. H. Fasker; Hyde Grange, Chalford, Glos | 21 February 1922 |
| NLB/58/818 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George Ellery] Hale, FRS | 22 June 1920 |
| NLB/64/17 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Peter] Chalmers Mitchell, FRS; Zoological Society of London, Regent's Park, N.W.8. | 19 January 1923 |
| NLB/58/855 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hector Munro] Macdonald, FRS | 25 June 1920 |
| NLB/58/897 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Heath [Secretary of the Department of Scientific and Industrial Research] | 30 June 1920 |
| NLB/59/149 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to W. R. Fearon Esquire; Physiological Laboratory, Trinity College | 21 July 1920 |
| NLB/59/303 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William Henry] Bragg, 32 Ladbroke Square, W. | 8 September 1920 |
| NLB/60/301 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick] Soddy, FRS | 13 January 1921 |
| NLB/59/365 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry [Bradwardine] Jackson, FRS | 24 September 1920 |
| NLB/59/5 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 9 July 1920 |
| NLB/60/866 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. Martin Knudsen; Det Kongelige Danske Videnskabernes Sekskab, Copenhagen | 19 April 1921 |
| NLB/59/183 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 23 July 1920 |
| NLB/59/528 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Walter] Gregory, FRS | 13 October 1920 |
| NLB/59/705 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 4 November 1920 |
| NLB/65/474 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, FRS | 6 November 1923 |
| NLB/59/453 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 5 October 1920 |
| NLB/59/340 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [John] Thomson, President of the Royal Society | 22 September 1920 |
| NLB/59/185 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George [Thomas] Beilby, FRS | 23 July 1920 |
| NLB/60/639 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George Barstow; Treasury, London, S.W.l. | 8 March 1921 |
| NLB/60/540 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Ernest W. Hill Esquire; 19 Grayling Road, Stoke Newington, N.16. | 21 February 1921 |
| NLB/59/703 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], FRS | 4 November 1920 |
| NLB/64/664 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel FRS | 29 May1923 |
| NLB/60/256 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Oliver [Joseph] Lodge, FRS; Normanton, New Sallisbury | 7 January 1921 |
| NLB/59/492 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 7 October 1920 |
| NLB/60/545 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederic] Stanley Kipping, FRS | 21 February 1921 |
| NLB/60/340 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Oliver [Joseph] Lodge, FRS | 21 January 1921 |
| NLB/60/338 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Honorary Secretary of the Edinburgh Mathematical Society; 63 Coniston Drive, Edinburgh | 21 January 1921 |
| NLB/61/759 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 20 October 1921 |
| NLB/59/309 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Government Hospital Club | 10 September 1920 |
| NLB/61/363 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 23 June 1921 |
| NLB/59/473 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 6 October 1920 |
| NLB/59/334 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Monsieur Paul Pelsener; Secretaire Perpetuel de l'Academie Royale des Sciences, Brussels | 21 September 1920 |
| NLB/59/336 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 21 September 1920 |
| NLB/59/356 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 23 September 1920 |
| NLB/60/102 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 10 December 1920 |
| NLB/59/339 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Walter] Rosenhain, FRS | 21 September 1920 |
| NLB/62/593 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward] Smith Esquire, FRS | 21 March 1922 |
| RR/54/117 | Referee's report by James Hopwood Jeans, on a paper 'The rotational dispersion of sound in hydrogen' by Angus S Roy and Morris E Rose | December 1934 |
| NLB/58/218 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Thomas Charles] Hudson Esquire, FRS | 29 March 1920 |
| NLB/59/457 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Walter] Rosenhain, FRS | 5 October 1920 |
| NLB/61/78 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Reverend A. L. Cortie; Stonyhurst College, Blackburn | 5 May 1921 |
| NLB/58/514 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS | 14 May 1920 |
| NLB/64/20 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Frank] Newall, FRS | 18 January 1923 |
| NLB/57/452 | Copy letter from Sir Arthur Schuster, FRS, Secretary of the Royal Society; to JH [Sir James Hopwood] Jeans, FRS | 6 November 1919 |
| NLB/59/527 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 13 October 1920 |
| NLB/59/532 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederic] Stanley Kipping, FRS | 13 October 1920 |
| NLB/59/876 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to R. O. Street Esquire; 23 Radstock Road, Elm Park, Liverpool | 25 November 1920 |
| NLB/64/682 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. S. Russ; Pembury, Kent | 2 June 1923 |
| RR/18/116 | Referee's report by James Hopwood Jeans, on a paper 'The kinetic theory of a gas constituted of spherically symmetrical molecules' by S Chapman | July 1911 |
| NLB/59/711 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Cargill Gilston] Knott, FRS | 5 November 1920 |
| NLB/59/455 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 5 October 1920 |
| NLB/58/884 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, FRS | 28 June 1920 |
| NLB/59/508 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 9 October 1920 |
| NLB/59/529 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 13 October 1920 |
| NLB/59/704 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, FRS | 4 November 1920 |
| NLB/60/115 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Joseph John] Thomson, FRS | 10 November 1920 |
| NLB/60/547 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ernest William] Hobson, FRS | 21 February 1921 |
| NLB/58/778 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ronald Ross, FRS | 18 June 1920 |
| RR/23/47 | Referee's report by Horace Lamb, on a paper 'On the instability of the pear-shaped figure of equilibrium of a rotating mass of liquid' by James Hopwood Jeans | April 1916 |
| NLB/59/914 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 30 November 1920 |
| NLB/59/929 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 1 December 1920 |
| NLB/58/202 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George Barstow | 25 March 1920 |
| NLB/59/530 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 13 October 1920 |
| NLB/58/126 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS | 16 March 1920 |
| NLB/59/145 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sir Frank Heath,] the Secretary of the Department of Scientific and Industrial Research | 21 July 1920 |
| NLB/58/28 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS | 3 March 1920 |
| NLB/58/140 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Society of Edinburgh | 18 March 1920 |
| NLB/59/8 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 9 July 1920 |
| NLB/58/915 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Alfred Mond | 2 July 1920 |
| NLB/59/194 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 24 July 1920 |
| NLB/58/821 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 22 June 1920 |
| NLB/58/875 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Alfred] George Greenhill, FRS | 28 June 1920 |
| NLB/58/405 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 30 April 1920 |
| NLB/59/526 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 13 October 1920 |
| NLB/59/184 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 23 July 1920 |
| NLB/59/338 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Richard Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 21 September 1920 |
| NLB/60/457 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Arthur] Bone, FRS | 10 February 1921 |
| NLB/62/682 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 6 April 1922 |
| NLB/59/648 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [James Whitebread Lee] Glaisher, FRS | 28 October 1920 |
| NLB/60/7 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretaries of the British Association | 2 December 1920 |
| NLB/60/146 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 14 December 1920 |
| NLB/59/927 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Society of Edinburgh | 1 December 1920 |
| NLB/60/5 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Charles [Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 2 December 1920 |
| NLB/60/499 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [John] Thomson, FRS | 16 February 1921 |
| NLB/59/682 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 2 November 1920 |
| NLB/62/484 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir James [George] Frazer, FRS | 21 February 1922 |
| NLB/59/729 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to John [Edensor] Littlewood Esquire, FRS | 5 November 1920 |
| RR/43/123 | Referee's report by James Hopwood Jeans, on a paper 'Material and radiational waves' by [Ali Moustafa] Mosharrafa | February 1931 |
| NLB/60/169 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 17 December 1920 |
| NLB/68/817 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward] Smith, CBE, FRS | 5 November 1925 |
| NLB/59/879 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Henry Reginald Arnulph] Mallock Esquire, FRS | 25 November 1920 |
| NLB/59/744 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 8 November 1920 |
| NLB/60/531 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 18 February 1921 |
| NLB/59/826 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Alfred] George Greenhill, FRS | 17 November 1920 |
| NLB/59/828 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 17 November 1920 |
| NLB/60/111 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 10 December 1920 |
| NLB/67/129 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur William] Crossley, FRS | 30 October 1924 |
| NLB/59/880 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS | 25 November 1920 |
| NLB/61/590 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Richard Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 7 September 1921 |
| NLB/59/807 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 15 November 1920 |
| NLB/61/111 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Academy of Sciences; Amsterdam | 12 May 1921 |
| NLB/62/483 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [George Barker] Jeffery, FRS; University College, Gower Street, W.C.l. | 21 February 1922 |
| NLB/60/412 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 1 February 1921 |
| NLB/60/466 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Dr. Niels [Hendrik David] Bohr, FRS | 10 February 1921 |
| NLB/60/392 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George Downing] Liveing, FRS | 27 January 1921 |
| NLB/60/560 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 24 February 1921 |
| NLB/68/28 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to A. E. Levin Esq.; The Croft, Bickley, Kent | 1 May 1925 |
| NLB/61/429 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Zoological Society; Regent's Park, London, N.W.l. | 8 July 1921 |
| NLB/64/663 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS. | 29 May 1923 |
| NLB/60/463 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 10 February 1921 |
| NLB/60/161 | Copy letter from F. E. Inglis, Clerk of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 16 December 1920 |
| NLB/60/198 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [James] W. McBain; the University of Bristol | 22 December 1920 |
| NLB/60/205 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [John] Thomson, FRS | 22 December 1920 |
| NLB/59/653 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sir Israel Gollancz] the Secretary of the British Academy | 29 October 1920 |
| NLB/60/10 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Monsieur Leon Fredericq; University de Liege, Belgium | 2 December 1920 |
| NLB/60/8 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Joseph Ernest] Petavel, FRS | 2 December 1920 |
| NLB/60/6 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 2 December 1920 |
| NLB/60/117 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS | 10 December 1920 |
| NLB/60/144 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Walter [Morley] Fletcher, FRS | 14 December 1920 |
| RR/18/158 | Referee's report by James Hopwood Jeans, on a paper 'A theory of the chemical action of the electric discharge in electrolytic gas' by P J Kirkby | November 1910 |
| NLB/61/827 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [James] Alfred Ewing, FRS | 1 November 1921 |
| NLB/60/300 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Francis William] Aston, FRS; Cavendish Laboratory, Cambridge | 13 January 1921 |
| NLB/60/151 | Copy letter from F. E. Inglis, Clerk of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 15 December 1920 |
| NLB/60/260 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 7 January 1921 |
| NLB/60/523 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 17 February 1921 |
| NLB/66/842 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Ll. S. Lloyd Esq., C. B. , Department of Scientific and Industrial Research; 16 Old Queen Street, S.W.1. | 24 July 1924 |
| NLB/60/195 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 22 December 1920 |
| NLB/60/638 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [John] Thomson, FRS | 8 March 1921 |
| NLB/60/203 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to S. Lloyd Esquire, [Assistant Secretary of the] Department of Scientific and Industrial Research; Old Queen Street, S.W.l. | 22 December 1920 |
| NLB/60/143 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, Director of the Meteorological Office and FRS | 14 December 1920 |
| NLB/60/298 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. J. W. McBain; the University of Bristol | 13 January 1921 |
| NLB/61/731 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 18 October 1921 |
| NLB/60/142 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Charles Scott] Sherrington, President of the Royal Society | 14 December 1920 |
| NLB/61/500 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Whitehead] Watts, FRS | 12 July 1921 |
| NLB/60/204 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Jackson] Pope, FRS | 22 December 1920 |
| NLB/63/222 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society and FRS | 18 July 1922 |
| NLB/60/112 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Society of Edinburgh | 10 December 1920 |
| NLB/60/113 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Geological Society; Burlington House, W.l. | 10 December 1920 |
| NLB/60/199 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], FRS | 22 December 1920 |
| NLB/60/141 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Charles] Chree, FRS | 14 December 1920 |
| NLB/60/458 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 10 February 1921 |
| NLB/60/200 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to F. J. Selby Esquire, Secretary of the National Physical Laboratory; Bushy House, Teddington | 22 December 1920 |
| NLB/60/295 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 13 January 1921 |
| NLB/64/32 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Heike] Kamerlingh Onnes, FRS | 20 January 1923 |
| NLB/60/114 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 10 December 1920 |
| NLB/60/517 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ernest William] Brown, FRS | 17 February 1921 |
| NLB/60/201 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Walter] Rosenhain, FRS | 22 December 1920 |
| NLB/60/842 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to F. Twyman Esquire, C/o Messrs Adam Hilger Ltd.; 75a Camden Road, N.W.l. | 14 April 1921 |
| NLB/60/202 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 22 December 1920 |
| NLB/60/606 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 2 March 1921 |
| NLB/71/943 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Crown Agents for the Colonies, 4 Millbank, SW1 | 13 December 1928 |
| NLB/61/849 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Phillipe [Auguste] Guye | 3 November 1921 |
| NLB/60/252 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Charles] Chree, FRS | 7 January 1921 |
| NLB/61/282 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lieutenant Colonel [James] William Gifford; Oaklands, Chard | 16 June 1921 |
| NLB/60/297 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [George Clarke] Simpson, Director of the Meteorological Office and FRS | 13 January 1921 |
| NLB/60/303 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 13 January 1921 |
| NLB/60/362 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Baron Alstromer, Swedish Legation in London, Portland Place, W.l. | 21 January 1921 |
| NLB/60/251 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor A. Trowbridge; National Research Council, 1701 Massachusetts Avenue, Washington D.C. | 7 January 1921 |
| NLB/60/288 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Cargill Gilston] Knott, FRS; Royal Society of Edinburgh, 22 George Street, Edinburgh | 13 January 1921 |
| NLB/60/880 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue Bureau | 21 April 1921 |
| NLB/60/296 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Cunningham] McLennan, FRS | 13 January 1921 |
| NLB/60/652 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to G. B. Jeffery Esquire; 365 Pinner Road, Harrow | 10 March 1921 |
| NLB/62/654 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Stanley] Eddington, FRS | 31 March 1922 |
| NLB/64/165 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 15 February 1923 |
| NLB/60/413 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Stewart] Eve, FRS | 1 February 1921 |
| NLB/62/486 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley; 5 Lyndhurst Road, Hampstead, N.W.3. | 21 February 1922 |
| NLB/60/781 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Martin] Lowry, FRS | 5 April 1921 |
| NLB/61/121 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Akademie der Wissenschaften, Vienna | 12 May 1921 |
| NLB/60/387 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Cunningham] McLennan, FRS | 27 January 1921 |
| RR/22/34 | Referee's report by James Hopwood Jeans, on a paper 'On the kinetic theory of a gas. Part II - A composite monatomic gas: diffusion, viscosity, and thermal conduction' by S Chapman | October 1915 |
| NLB/60/385 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of His Majesty's Treasury | 26 January 1921 |
| NLB/60/339 | Copy letter from Sir Arthur Schuster, Foreign Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 19 January 1921 |
| RR/15/199 | Referee's report by Horace Lamb, on a paper 'The stability of the spherical nebula' by James Hopwood Jeans | July 1901 |
| NLB/60/334 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frederick [William] Andrewes, Chairman of the Physiology Committee and FRS | 20 January 1921 |
| NLB/60/348 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 21 January 1921 |
| NLB/60/346 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Engineering Sciences Committee and FRS | 21 January 1921 |
| NLB/60/548 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor W. L. Bragg; the University of Manchester | 21 February 1921 |
| NLB/69/203 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Bate] Hardy, FRS | 28 January 1926 |
| NLB/60/349 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 21 January 1921 |
| NLB/61/281 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Messrs Henry Chapman & Co, Agent for Mr. Thomas Finch; 2 Southampton Street, Strand, W.C.2. | 16 June 1921 |
| NLB/60/337 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to [George William] Lamplugh Esquire, Chairman of the Geology Committee and FRS | 20 January 1921 |
| NLB/60/391 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor W. L. Bragg; the University of Manchester | 27 January 1921 |
| NLB/60/622 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Engineering Sciences Committee | 3 March 1921 |
| NLB/60/351 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 21 January 1921 |
| NLB/60/637 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], FRS | 8 March 1921 |
| NLB/60/783 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 5 April 1921 |
| NLB/60/411 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 1 February 1921 |
| NLB/64/199 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Frederick Arden] Close, FRS | 22 February 1923 |
| NLB/60/430 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Walter] Rosenhain, FRS | 3 February 1921 |
| NLB/60/519 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Thomas Martin] Lowry, FRS | 17 February 1921 |
| NLB/60/543 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 21 February 1921 |
| NLB/61/170 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Edwin] Deller [Acadmic Registrar of the] University of London; South Kensington, S.W.7. | 26 May 1921 |
| NLB/64/252 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 1 March 1923 |
| NLB/60/521 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Robert Robertson, FRS | 17 February 1921 |
| NLB/60/565 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 24 February 1921 |
| NLB/60/604 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. Thomas [Martin] Lowry, FRS | 2 March 1921 |
| NLB/62/833 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 17 May 1922 |
| NLB/60/867 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Harold Jeffreys Esquire; Meteorological Office, South Kensington, London, S.W.7. | 19 April 1921 |
| NLB/61/615 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to E. J. Butler Esquire; 17 Kew Green, Kew, Surrey | 23 September 1921 |
| NLB/62/158 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Air Ministry; Kingsway, London, W.C.2. | 13 December 1921 |
| NLB/61/297 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mrs Sollas; 96 Banbury Road, Oxford | 17 June 1921 |
| NLB/60/544 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Frank] Newall, FRS | 21 February 1921 |
| NLB/60/841 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor J. C. Phillip; 5 Queen Anne's Gardens, Bedford Park, W.4. | 14 April 1921 |
| NLB/61/661 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Baily] Dixon, FRS | 4 October 1921 |
| NLB/60/883 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor A. Donner, Secretary of the Finksa Vetenskaps-Societeten, Helsingfors, Finland | 21 April 1921 |
| NLB/64/535 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 02 May 1923 |
| NLB/61/164 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to E. P. Perman Esquire; University College, Newport Road, Cardiff | 26 May 1921 |
| NLB/61/157 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Simon] Flexner, FRS; Rockefeller Institute, New York | 26 May 1921 |
| NLB/61/905 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Frederick Arden] Close, FRS | 10 November 1921 |
| NLB/60/724 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Whitehead] Watts, FRS | 19 March 1921 |
| NLB/60/492 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 15 February 1921 |
| RR/46/58 | Referee's report by James Hopwood Jeans, on a paper 'The cycle of 171' by W Perrett | [May 1932] |
| NLB/61/454 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ralph Allen] Sampson, FRS | 8 July 1921 |
| NLB/61/79 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 5 May 1921 |
| NLB/60/427 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 3 February 1921 |
| NLB/60/625 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George T. Barstow; the Treasury, Whitehall, S.W.l. | 3 March 1921 |
| NLB/61/670 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 4 October 1921 |
| NLB/60/613 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor John Lloyd Newcomb, Chairman of the Centennial Committee; University of Virginia | 3 March 1921 |
| NLB/61/105 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to A. W. Bain Esquire; 15 Old Queen Street, Queen Anne's Gate, S.W.l. | 10 May 1921 |
| NLB/65/574 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sydey Pitt Esq.; Armourers and Brasiers' Company, 81 Colman Street, E.C.2. | 22 November 1923 |
| NLB/62/356 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Herbert Jackson, FRS | 31 January 1922 |
| NLB/60/687 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mrs. [William Arthur] Bone; Montrose, Haependen Road, St. Albans | 15 March 1921 |
| NLB/60/888 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Institute of British Architects; 9 Conduit Street, W.l. | 21 April 1921 |
| NLB/60/777 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematical Society and FRS | 5 April 1921 |
| NLB/60/726 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Thomas Martin] Lowry, FRS | 19 March 1921 |
| NLB/61/662 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 4 October 1921 |
| NLB/63/317 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Sir David Prain, Treasurer of the Royal Society and FRS | 18 August 1922 |
| NLB/65/770 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Institution of Electrical Engineers; Victoria Embankment, W.C.2. | 21 December 1923 |
| NLB/61/192 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Victor Bulwer-Lytton,] the Under Secretary of State for India; India Office | 31 May 1921 |
| NLB/60/686 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 15 March 1921 |
| NLB/60/728 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Geological Society of London; Burlington House, W.l. | 19 March 1921 |
| NLB/60/723 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 19 March 1921 |
| NLB/60/720 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Frank] Newall, FRS | 19 March 1921 |
| NLB/61/380 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 29 June 1921 |
| NLB/61/622 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to A. M. Platt Esquire; 48 North Street, Chichester, Sussex | 23 September 1921 |
| NLB/61/697 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Stanley] Eddington, FRS | 13 October 1921 |
| NLB/61/25 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Assistant Secretary of the Board of Trade; Great George Street, S.W.l. | 28 April 1921 |
| NLB/64/215 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 23 February 1923 |
| NLB/61/163 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Charles] Chree, FRS; 75 Church Road, Richmond, Surrey | 26 May 1921 |
| NLB/60/864 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS; Newnham Cottage, Queen's Road, Cambridge | 19 April 1921 |
| NLB/60/780 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Charles [Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 5 April 1921 |
| NLB/61/260 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 9 June 1921 |
| NLB/60/779 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Ernest Howard] Griffiths, FRS | 5 April 1921 |
| NLB/60/790 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 6 April 1921 |
| NLB/64/212 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Threlfall, FRS | 23 February 1923 |
| NLB/60/754 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society; Imperial Hotel, Torquay | 23 March 1921 |
| NLB/61/169 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to His Majesty's High Commissioner to Hungary; British High Commission, Budapest | 26 May 1921 |
| NLB/61/210 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 2 June 1921 |
| NLB/60/778 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 5 April 1921 |
| NLB/60/839 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 14 April 1921 |
| NLB/60/782 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 5 April 1921 |
| NLB/60/843 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Herbert George] Wells Esquire; Easton Glebe, Dunmow | 14 April 1921 |
| NLB/61/112 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 12 May 1921 |
| NLB/64/314 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Assistant Secretary of the Royal Society of Edinbrugh; 22 George Street, Edinburgh | 12 March 1923 |
| NLB/60/911 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock, Chairman of the Chemistry Committee and FRS | 26 April 1921 |
| NLB/67/163 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, FRS | 6 November 1924 |
| NLB/61/790 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 26 October 1921 |
| NLB/61/257 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 8 June 1921 |
| NLB/61/95 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. Robinson Esquire; Physical Laboratory, University of Manchester | 10 May 1921 |
| NLB/61/12 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to F. Tavani Esquire; 92 Loughborough Road, Brixton, S.W.9. | 28 April 1921 |
| NLB/61/2 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 26 April 1921 |
| NLB/61/22 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 28 April 1921 |
| NLB/61/3 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 26 April 1921 |
| NLB/65/399 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to D. F. Couzens Esq.; 12 Lucknow Street, Plumstead Common, S.E.18. | 26 October 1923 |
| NLB/61/443 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Conjoint Board of Scientific Industries; Burlington House, W.l. | 8 July 1921 |
| NLB/57/159 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to JH [James Hopwood] Jeans Esq, FRS, Chairman of the Mathematics Committee | 30 July 1919 |
| NLB/61/224 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Frederick Arden] Close, FRS | 2 June 1921 |
| NLB/61/295 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 17 June 1921 |
| NLB/57/290 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to JH [James Hopwood] Jeans Esq., FRS | 8 October 1919 |
| NLB/61/77 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 5 May 1921 |
| NLB/61/80 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frederick S. Spiers,] the Secretary of the Institute of Physics; 10 Essex Street, Strand, W.C.2. | 5 May 1921 |
| NLB/61/172 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 26 May 1921 |
| NLB/64/285 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, FRS | 7 March 1923 |
| NLB/61/565 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Geoffrey Harold] Hardy, FRS | 2 August 1921 |
| NLB/61/208 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 2 June 1921 |
| NLB/64/239 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 27 February 1923 |
| NLB/61/114 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 12 May 1921 |
| NLB/61/212 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Honorary Secretary of the Physical Society of London; Teddington | 2 June 1921 |
| NLB/67/641 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, FRS | 5 February 1925 |
| NLB/61/280 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hendrik Antoon] Lorentz, FRS | 16 June 1921 |
| NLB/61/76 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Andrew Russell] Forsyth, FRS | 5 May 1921 |
| NLB/61/125 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 17 May 1921 |
| NLB/61/256 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Cargill Gilston] Knott, FRS; 47 Upper Gray Street, Edinburgh | 9 June 1921 |
| NLB/61/199 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to N. K. Adam Esquire; The End House, Owlstone Road, Cambridge | 31 May 1921 |
| NLB/57/366 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to JH [Sir James Hopwood] Jeans, FRS | 27 October 1919 |
| NLB/61/669 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomson Rees] Wilson Esquire, FRS | 4 October 1921 |
| NLB/61/213 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Charles Herbert] Lees, FRS | 2 June 1921 |
| NLB/61/221 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 2 June 1921 |
| NLB/61/149 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Jocelyn Field] Thorpe, FRS | 24 May 1921 |
| NLB/64/94 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 30 January 1923 |
| NLB/64/868 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Henry Edward] Armstrong, FRS | 5 July 1923 |
| NLB/62/609 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, FRS | 23 March 1922 |
| NLB/61/223 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 2 June 1921 |
| NLB/62/354 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Major [Percy Alexander] MacMahon, FRS | 31 January 1922 |
| NLB/60/431 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 3 February 1921 |
| NLB/61/361 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Charles] Chree, FRS | 23 June 1921 |
| NLB/60/361 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 21 January 1921 |
| NLB/61/152 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 24 May 1921 |
| NLB/61/252 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Baily] Dixon, FRS | 8 June 1921 |
| NLB/61/211 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Sealy Edward] Townsend, FRS | 2 June 1921 |
| NLB/61/507 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society and Secretary of the International Research Council | 11 July 1921 |
| NLB/61/346 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 21 June 1921 |
| NLB/61/306 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 17 June 1921 |
| NLB/61/222 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 2 June 1921 |
| NLB/61/195 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Chairman of the Medical Research Council; 15 Buckingham Street, Strand, W.C.2. | 31 May 1921 |
| NLB/61/189 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 30 May 1921 |
| NLB/61/191 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Chairman of the Advisory Council; Department of Scientific & Industrial Research, Old Queen Street, S.W.l. | 30 May 1921 |
| NLB/61/194 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientifici Literature | 31 May 1921 |
| NLB/59/887 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], FRS | 25 November 1920 |
| NLB/61/225 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematical Society and FRS | 2 June 1921 |
| NLB/67/746 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Jocelyn Field] Thorpe, FRS | 26 February 1925 |
| NLB/62/103 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to G. B. Jeffrey Esquire; 365 Pinner Road, Harrow | 1 December 1921 |
| NLB/61/409 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the High Commissioner for the Union of South Africa | 4 July 1921 |
| NLB/61/359 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Vernon Kellog Esquire, Secretary of the National Research Council; 1701 Massachusetts Avenue, Washington D.C. | 23 June 1921 |
| NLB/61/274 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 13 June 1921 |
| NLB/65/890 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick George] Donnan, FRS | 25 January 1924 |
| NLB/61/292 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Reverend T. E. R. Phillips; Headley Rectory, Epsom | 17 June 1921 |
| NLB/61/283 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 16 June 1921 |
| NLB/61/302 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to P. M. Ryves Esquire; Walton-on-the-Hill, Surrey | 17 June 1921 |
| NLB/61/367 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Peter] Chalmers Mitchell, FRS | 23 June 1921 |
| NLB/61/284 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Baily] Dixon, FRS | 16 June 1921 |
| NLB/62/19 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George [Thomas] Beilby, FRS | 15 November 1921 |
| NLB/61/273 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 13 June 1921 |
| NLB/64/351 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Edwin] Deller; University of London, South Kensington, S.W.7. | 22 March 1923 |
| NLB/57/548 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, the Board of Agriculture | 2 December 1919 |
| NLB/65/396 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Albert Campbell Esq.; Ballynatrua, Londonderry, Ireland | 26 October 1923 |
| NLB/61/258 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 9 June 1921 |
| NLB/61/272 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 13 June 1921 |
| NLB/61/665 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. P. Waran Esquire; Cavendish Laboratory, Cambridge | 4 October 1921 |
| NLB/61/293 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, FRS | 17 June 1921 |
| NLB/61/278 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 16 June 1921 |
| NLB/61/355 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Messrs Henry Chapman & Co., Agent for Mr. Thomas Finch; 2 Southampton Street, Strand, W.C.2. | 24 June 1921 |
| NLB/66/687 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. Baker, FRS | 19 June 1924 |
| NLB/61/902 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 10 November 1921 |
| NLB/61/251 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Society of Edinburgh; George Street, Edinburgh | 2 June 1921 |
| NLB/61/698 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 13 October 1921 |
| NLB/65/555 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred North] Whitehead, FRS | 20 November 1923 |
| NLB/61/442 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 8 July 1921 |
| NLB/62/448 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir James [George] Frazer, FRS | 16 February 1922 |
| NLB/61/365 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [George Clarke] Simpson, Director of the Meteorological Office and FRS | 23 June 1921 |
| NLB/61/456 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, FRS | 8 July 1921 |
| NLB/61/338 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [George Clarke] Simpson, Director of the Meteorological Office and FRS | 21 June 1921 |
| NLB/62/122 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 8 December 1921 |
| NLB/61/617 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 23 September 1921 |
| NLB/61/384 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir James [Blacklock] Henderson | 30 June 1921 |
| NLB/62/128 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [James] Alfred Ewing, FRS | 8 December 1921 |
| NLB/63/433 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Lord Rayleigh, FRS | 13 October 1922 |
| NLB/61/362 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 23 June 1921 |
| NLB/61/383 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 29 June 1921 |
| NLB/61/455 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 8 July 1921 |
| NLB/61/794 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Charles Emile] Picard; Institut de France, 25 Quai Conti, Paris | 27 October 1921 |
| NLB/61/277 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 16 June 1921 |
| NLB/69/12 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Monsieur [Joseph Achille] Le Bel, Foreign Member of the Royal Society. | 11 December 1924 |
| NLB/66/624 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society. | 6 June 1924 |
| NLB/62/29 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Engineering Sciences Committee and FRS | 19 November 1921 |
| NLB/57/765 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Dr Charles Chree, FRS | 2 February 1920 |
| NLB/61/382 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Sealy Edeard] Townsend, FRS | 29 June 1921 |
| NLB/65/841 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 17 January 1924 |
| NLB/57/557 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 4 December 1919 |
| NLB/62/101 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 1 December 1921 |
| NLB/61/356 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 23 June 1921 |
| NLB/62/651 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Stanley] Eddington, FRS | 31 March 1922 |
| NLB/61/438 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 8 July 1921 |
| NLB/61/453 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Monsieur [Felix] Boquet, Astronome de l'Observatoire; l'Observatorie, Paris | 8 July 1921 |
| NLB/67/159 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Vernon] Boys Esq., FRS | 6 November 1924 |
| NLB/61/848 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Niels [Henrik David] Bohr, FRS | 3 November 1921 |
| NLB/61/696 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 13 October 1921 |
| NLB/61/672 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 4 October 1921 |
| NLB/61/599 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Professor [Alfred] Fowler, FRS | 16 September 1921 |
| NLB/61/850 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 3 November 1921 |
| NLB/67/645 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Edward Charles Cyril] Baly, FRS | 5 February 1925 |
| NLB/62/596 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr. Hector. D. E. Saunders; 18 Magdale Road, Cosham, Hants | 21 March 1922 |
| NLB/64/283 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sydney Pitt Esquire; Clerk to the Armourers & Brasiers' Company; 81 Coleman Street, E.C.l. | 7 March 1923 |
| NLB/57/660 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor JW [John William ] Nicholson, FRS, Chairman of the Mathematics Committee | 7 January 1920 |
| NLB/63/637 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [John Newport] Langley, FRS | 21 November 1922 |
| NLB/62/98 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 1 December 1921 |
| NLB/64/286 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to G. S. Baker Esquire; National Physical Laboratory, Bushy House, Teddington | 7 March 1923 |
| NLB/66/281 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur] Smithells, FRS | 2 April 1924 |
| NLB/61/843 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 3 November 1921 |
| NLB/61/729 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Cort Harold] Carpenter, FRS | 18 October 1921 |
| NLB/61/625 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the General Secretary of the Royal Society of South Africa; University of Cape Town, Cape Town | 23 September 1921 |
| NLB/61/676 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 4 October 1921 |
| NLB/54/602 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 2 July 1917 |
| NLB/61/663 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas John I'Anson] Bromwich, FRS | 4 October 1921 |
| NLB/64/30 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Institute of Physics; 10 Essex Street, Strand, W.C.2. | 20 January 1923 |
| NLB/57/573 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 8 December 1919 |
| NLB/61/664 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Messrs [Guy] Barlow and H. B. Keene; the University of Birmingham | 4 October 1921 |
| NLB/61/598 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Engineering Sciences Committee and FRS | 16 September 1921 |
| NLB/61/497 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Admiralty | 12 July 1921 |
| NLB/57/657 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS, Astronomer Royal | 7 January 1920 |
| NLB/61/494 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ralph Allen] Sampson, FRS | 12 July 1921 |
| NLB/59/654 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Herbert George] Wells Esquire; Reform Club, London, W.l. | 30 October 1920 |
| NLB/64/284 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 7 March 1923 |
| NLB/61/592 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Baron Alstromer | 7 September 1921 |
| NLB/61/621 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas John I'Anson] Bromwich, FRS | 23 September 1921 |
| NLB/62/357 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Seldon Piercy Esquire; 117 Prince of Wales Road, Chalk Farm, N.W.5. | 31 January 1922 |
| NLB/61/837 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Gerald Ponsonby] Lenox Conyngham, FRS | 3 November 1921 |
| NLB/62/123 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Charles [Galton] Darwin Esquire, FRS; Trinity College, Cambridge | 8 December 1921 |
| NLB/61/589 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 7 September 1921 |
| NLB/61/600 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Frederick [Edward] Brasch Esquire; The John Crerar Library, Chicago | 16 September 1921 |
| NLB/62/253 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Edward Herbert] Shaughnessy Esquire; Office of the Engineer-in-Chief, General Post Office, E.C.l. | 13 January 1922 |
| NLB/57/766 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Dr A Russell; 1 Richmond Bridge Mansions, East Twickenham | 2 February 1920 |
| NLB/61/701 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Cort Harold] Carpenter, FRS | 13 October 1921 |
| NLB/61/693 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Charles Herbert] Lees, FRS | 14 October 1921 |
| NLB/57/558 | Copy letter from Sir William Bate Hardy [?], Secretary of the Royal Society; to Professor HB Fantham; University College, Johannesburg, South Africa | 4 December 1919 |
| NLB/61/15 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to D. Morgan Esquire; 4 Leghorn Road, Willesden Junction, N.W. | 28 April 1921 |
| NLB/61/838 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Louis Napoleon George] Filon, FRS | 3 November 1921 |
| NLB/61/624 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Office of the High Commissioner for the Union of South Africa; Trafalgar Square, W.C.2. | 23 September 1921 |
| NLB/57/814 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to MG Lecointe, Director of the Royal Observatory of Belgium | 13 February 1920 |
| NLB/61/626 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 23 September 1921 |
| NLB/61/825 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 1 November 1921 |
| NLB/61/578 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | [9 August 1921] |
| NLB/61/660 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Cort Harold] Carpenter, FRS | 4 October 1921 |
| NLB/67/160 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur George] Perkin, FRS | 6 November 1924 |
| NLB/61/700 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 13 October 1921 |
| NLB/61/619 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 23 September 1921 |
| NLB/57/731 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor A [Arthur] Dendy, FRS | 29 January 1920 |
| NLB/61/20 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 20 April 1921 |
| NLB/58/556 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sir Frank Heath,] the Secretary of the Scientific and Industrial Research Department | 21 May 1920 |
| NLB/61/667 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 4 October 1921 |
| NLB/62/1 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 11 November 1921 |
| NLB/62/328 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Walter] Rosenhain, FRS | 27 January 1922 |
| NLB/61/726 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Stanley] Eddington, FRS | 18 October 1921 |
| NLB/61/411 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 4 July 1921 |
| NLB/61/792 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Thomas John I'Anson] Bromwich, FRS | 26 October 1921 |
| NLB/57/720 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Dr JWL [James Whitbread Lee] Glaisher, FRS, | 28 January 1920 |
| NLB/57/719 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to the Secretary, the Department of Industrial and Scientific Research | 28 January 1920 |
| NLB/61/628 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 23 September 1921 |
| NLB/62/205 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 2 January 1922 |
| NLB/61/789 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; Dr. [George Clarke] Simpson, Director of the Meteorological Office and FRS | 26 October 1921 |
| NLB/61/788 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS | 26 October 1921 |
| NLB/61/554 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 29 July 1921 |
| NLB/57/593 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to the Director [Sir Joseph Ernest Petavel, FRS, KBE], the National Physical Laboratory | 12 December 1919 |
| NLB/61/842 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [John Edensor] Littlewood Esquire, FRS | 3 November 1921 |
| NLB/57/742 | Copy letter from the Secretary of the Royal Society; to Professor WB [Walter Bradford] Cannon, FRS; Harvard Medical School, 240 Longwood Avenue, Boston, Mass | 30 January 1920 |
| NLB/61/828 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. F. Baker Esquire; Walcott, Storey's Way, Cambridge | 1 November 1921 |
| NLB/61/826 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 1 November 1921 |
| NLB/61/824 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society, to Professor [Alfred North] Whitehead, FRS | 1 November 1921 |
| NLB/64/329 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 15 March 1923 |
| NLB/61/804 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 27 October 1921 |
| NLB/59/536 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Heath [Secretary of the Department of Scientific and Industrial Research] | 14 October 1920 |
| NLB/58/341 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sir Frank Heath,] the Secretary of the Scientific and Industrial Research Department | 22 April 1920 |
| NLB/61/5 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ernest William] Hobson, FRS, and Professor [William Henry] Young, FRS | 26 April 1921 |
| NLB/67/461 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Foreign Secretary of the Royal Society | 2 January 1925 |
| NLB/55/555 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., Chairman of the Mathematics Committee and FRS | 07 June 1918 |
| NLB/62/444 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to R. S. Whipple Esquire; the Cambridge and Paul Instrument Co. Ltd., 45 Grosvernor Place | 16 February 1922 |
| NLB/61/791 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [James] Alfred Ewing, FRS | 26 October 1921 |
| NLB/61/841 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 3 November 1921 |
| NLB/64/217 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Whitehead] Watts, FRS | 23 February 1923 |
| NLB/62/121 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. G. B. Jeffery; 365 Pinner Road, Harrow | 8 December 1921 |
| NLB/61/839 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Whitehead] Watts, FRS | 3 November 1921 |
| NLB/61/23 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Conjoint Board of Scientific Societies; Burlington House, W.l. | 28 April 1921 |
| NLB/61/267 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [James] Alfred Ewing, FRS | 13 June 1921 |
| NLB/67/292 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry [Bradwardine] Jackson, GCB, FRS, Admiral of the Fleet | 1 December 1924 |
| NLB/62/330 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 27 February 1922 |
| NLB/62/124 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 8 December 1921 |
| NLB/61/113 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [George Clarke Simpson,] the Director of the Meteorological Office; Air Ministry, Kingsway, W.C.2. | 12 May 1921 |
| NLB/62/627 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel Henry George Lyons, Chairman of the Gassiot Committee and FRS | 28 March 1922 |
| NLB/62/23 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Henry] Havelock, FRS | 16 November 1921 |
| NLB/61/910 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Phillipe Auguste] Guye; the University of Geneva | 12 November 1921 |
| NLB/61/898 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 10 November 1921 |
| NLB/62/171 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Arthur] Bone, FRS | 15 December 1921 |
| NLB/65/397 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 26 October 1923 |
| NLB/62/254 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Thomas] Edward Thorpe, FRS | 13 January 1922 |
| NLB/62/324 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 24 January 1922 |
| NLB/61/900 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lieutenant Colonel [James William] Gifford | 10 November 1921 |
| NLB/61/897 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 10 November 1921 |
| NLB/62/374 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 2 February 1922 |
| NLB/62/377 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 2 February 1922 |
| NLB/64/16 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 19 January 1923 |
| NLB/62/445 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 16 February 1922 |
| NLB/62/645 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 31 March 1922 |
| NLB/66/849 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 28 July 1924 |
| NLB/68/292 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Foreign Secretary of the Royal Society | 12 June 1925 |
| NLB/61/903 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Vernon] Boys Esquire, FRS | 10 November 1921 |
| NLB/57/767 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Jones | 2 February 1920 |
| NLB/57/800 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Ronald Ross, FRS, KCB | 9 February 1920 |
| NLB/57/803 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Frank Heath, KCB | 9 February 1920 |
| NLB/62/569 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 15 March 1922 |
| NLB/64/144 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 8 February 1923 |
| NLB/62/54 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 24 November 1921 |
| NLB/62/834 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 18 May 1922 |
| NLB/62/159 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Aubrey Strahan, FRS | 13 December 1921 |
| NLB/65/442 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | [1 November 1923] |
| NLB/62/456 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mrs. Newton Butler; the Old Cottage, Bowdon, Cheshire | 16 February 1922 |
| NLB/62/161 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Air Conference Committee, Air Ministry, Kingsway, W.C.2. | 13 December 1921 |
| NLB/62/104 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lieutenant Colonel [Frederick John Marrian] Stratton, FRS; Gonville & Caius College, Cambridge | 1 December 1921 |
| NLB/62/24 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 17 November 1921 |
| NLB/62/288 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry [Bradwardine] Jackson, FRS | 19 January 1922 |
| NLB/67/939 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to G. A. Armour Esq.; Allison House, Princeton, New Jersey, USA | 21 April 1925 |
| NLB/62/55 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 24 November 1921 |
| NLB/62/56 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 24 November 1921 |
| NLB/64/356 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Institution of Civil Engineers; Great George Street, Westminster, S.W.l. | 22 March 1923 |
| NLB/62/252 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 13 January 1922 |
| NLB/57/818 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Dugald Clerk KBE, FRS | 13 February 1920 |
| NLB/63/612 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [Horace] Lamb, FRS | 15 November 1922 |
| NLB/62/102 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 1 December 1921 |
| NLB/62/203 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 2 January 1922 |
| NLB/64/83 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, Chairman of the National Committee for Astronomy and FRS | 30 January 1923 |
| NLB/64/355 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Reverend [Theodore Evelyn Reece] Phillips, Secretary of the Royal Astronomical Society; Burlington House, W.l. | 22 March 1923 |
| NLB/62/129 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, FRS | 8 December 1921 |
| NLB/62/137 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 8 December 1921 |
| NLB/62/181 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morely, Director of the International Catalogue of Scientific Literature | 20 December 1921 |
| NLB/62/157 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Victor Bulwer-Lytton,] the Under Secretary of State; India Office | 13 December 1921 |
| NLB/62/841 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Zoological Society of London; Regent's Park, N.W.3. | 19 May 1922 |
| NLB/62/294 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Vernon] Boys Esquire, FRS | 19 January 1922 |
| NLB/62/168 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George] Barger, FRS | 15 December 1921 |
| RR/56/37 | Referee's report by James Hopwood Jeans, on a paper 'On the electromagnetic fields due to variable electric charges and the intensities of spectrum lines according to the quantum theory' by H R Hulme | [March 1935] |
| NLB/62/163 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George Ellery] Hale, FRS | 13 December 1921 |
| NLB/55/683 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Mr. [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 17 July 1918 |
| NLB/62/290 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Louis Napoleon George] Filon, FRS | 19 January 1922 |
| NLB/62/522 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 27 February 1922 |
| NLB/62/206 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Thomas] Edward Thorpe, FRS | 2 January 1922 |
| NLB/64/306 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 10 March 1923 |
| NLB/67/195 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Vice-Admiral [Frederick Charles] Learmonth, CB; 87 Victoria Street, S.W.1. | 11 November 1924 |
| NLB/62/358 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 31 January 1922 |
| NLB/62/257 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 13 January 1922 |
| NLB/62/359 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [William] Bell Dawson Esquire, Superintendent of the Tidal Survey; Ottawa, Canada | 31 January 1922 |
| NLB/62/281 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Le Secretaire Perpetuel de l'Academie; Palais des Academies, Brussels, Belgium | 19 January 1922 |
| NLB/64/685 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 2 June 1923 |
| NLB/62/498 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor H. S. Carshaw; the University of Sydney | 23 February 1922 |
| NLB/62/329 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to William Bate Hardy, Secretary of the Royal Society | 26 January 1922 |
| NLB/62/455 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 16 February 1922 |
| NLB/62/207 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Edward Herbert] Shaughnessy Esquire; Office of the Engineer-in-Chief, General Post Office, E.C.l. | 2 January 1922 |
| NLB/62/379 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 2 February 1922 |
| NLB/62/336 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Major [Percy Alexander] MacMahon, FRS | 26 January 1922 |
| NLB/62/282 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lieutenant Colonel. J. W. Gifford; Oaklands, Chard | 19 January 1922 |
| NLB/62/497 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 23 February 1922 |
| NLB/62/261 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 13 January 1922 |
| NLB/62/289 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 19 January 1922 |
| NLB/65/443 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Robert A.] Millikan | 1 November 1923 |
| NLB/62/283 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 19 January 1922 |
| NLB/62/355 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Charles Scott Sherrington, President of the Royal Society | 31 January 1922 |
| NLB/62/259 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Archibald Vivian] Hill, FRS | 13 January 1922 |
| NLB/62/287 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 19 January 1922 |
| NLB/62/284 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Engineering Sciences Committee and FRS | 19 January 1922 |
| NLB/62/410 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. T. J. J. See; Mare Island, California | 10 February 1922 |
| NLB/62/629 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [William] Bell Dawson Esquire, Superintendent of Tidal Surveys; Ottowa | 28 March 1922 |
| NLB/62/285 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 19 January 1922 |
| NLB/62/542 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 3 March 1922 |
| NLB/64/538 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 03 May 1923 |
| NLB/64/617 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Richardson] Proctor, FRS | 11 May 1923 |
| NLB/62/893 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Michael H. Mason Esquire; 16 Bruton Street, W.l. | 29 May 1922 |
| NLB/62/333 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [George] Udny Yule Esquire, FRS | 27 January 1922 |
| NLB/62/843 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. Vernon Kellog, Secretary of the National Research Council; 1701 Massachusetts Avenue, Washington D.C. | 19 May 1922 |
| NLB/62/689 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 6 April 1922 |
| NLB/62/630 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Louis Napoleon George] Filon, FRS | 28 March 1922 |
| NLB/65/346 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 18 October 1923 |
| NLB/62/446 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alexander Eugen] Conrady; Imperial College, South Kensington, S.W.7. | 16 February 1922 |
| NLB/62/772 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George Hartley] Bryan, FRS | 4 May 1922 |
| NLB/62/376 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Oliver] Arnold, FRS | 2 February 1922 |
| NLB/62/632 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [George] Udny Yule Esquire, FRS | 28 March 1922 |
| NLB/62/360 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 31 January 1922 |
| NLB/64/825 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Herbert Hall] Turner, FRS. | 26 June 1923 |
| NLB/62/409 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 10 February 1922 |
| NLB/62/361 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 31 January 1922 |
| NLB/57/843 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor [Sir Arthur Stanley] AS Eddington, FRS | 21 February 1920 |
| NLB/64/25 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Peter] Chalmers Mitchell, FRS; Zoological Society of London, Regent's Park, N.W.8. | 19 January 1923 |
| NLB/62/441 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 16 February 1922 |
| NLB/65/121 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esq., FRS | 7 August 1923 |
| NLB/63/728 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to The Secretary, The Institution of Civil Engineers, Great George Street, Westminister, S.W.1. | 07 December 1922 |
| NLB/62/420 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [William] Bell Dawson Esquire, Superintendent of the Tidal Survey; Ottawa, Canada | 10 February 1922 |
| NLB/62/402 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 9 February 1922 |
| NLB/62/452 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 16 February 1922 |
| NLB/62/681 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 6 April 1922 |
| RR/64/41 | Referee's report by James Hopwood Jeans, on a paper 'The shadow of a straight edge' by E T Hanson | [April 1937] |
| NLB/62/440 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Louis Napoleon George] Filon, FRS | 16 February 1922 |
| NLB/62/572 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, FRS | 15 March 1922 |
| NLB/57/837 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to the Secretary, HM [His Majesty's] Treasury | 19 February 1920 |
| NLB/62/774 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Miss [Dorothy] M. Wrinch; Girton College, Cambridge | 4 May 1922 |
| NLB/62/442 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Thomas] Edward Thorpe, FRS | 15 February 1922 |
| NLB/62/540 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 3 March 1922 |
| NLB/57/845 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor JW [John William] Nicholson, FRS | 21 February 1920 |
| NLB/57/847 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Dr JWL [James Whitbread Lee] Glaisher, FRS | 23 February 1920 |
| NLB/62/477 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 21 February 1922 |
| NLB/66/518 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Glazebrook, FRS | 22 May 1924 |
| NLB/62/478 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Louis Napoleon George] Filon, FRS | 21 February 1922 |
| NLB/62/598 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 21 March 1922 |
| NLB/65/822 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Albert Charles] Seward, FRS | 11 January 1924 |
| NLB/62/534 | Copy letter from James Hopwood Jeans Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematical Society and FRS | 2 March 1922 |
| NLB/62/485 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 21 February 1922 |
| NLB/67/885 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Jefferson Jackson] See; Royal Observatory, Mare Island, California, USA | 26 March 1925 |
| NLB/64/563 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 04 May 1923 |
| NLB/62/693 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward?] Smith Esquire, FRS | 6 April 1922 |
| NLB/64/27 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 29 January 1923 |
| NLB/57/891 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to Sir Ronald Ross, FRS, KCB | 27 February 1920 |
| NLB/64/84 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Frederick Arden] Close, Chairman of the National Committee for Geography and FRS | 30 January 1923 |
| NLB/62/600 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Cambridge University Press, Fetter Lane, London, E.C.4. | 21 March 1922 |
| NLB/57/887 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to Dr Morris W [William] Travers, FRS | 27 February 1920 |
| NLB/62/529 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert Vynne] Southwell Esquire; Aerodynamics Department, National Physical Laboratory, Teddington | 1 March 1922 |
| NLB/62/844 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Alan Archibald] Campbell Swinton Esquire, FRS | 19 May 1922 |
| NLB/62/495 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 23 February 1922 |
| NLB/62/831 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 17 May 1922 |
| NLB/62/633 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [George Barker] Jeffery, FRS; University College, Gower Street, W.C.l. | 28 March 1922 |
| NLB/62/574 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Alfred Edwin Howard] Tutton, FRS | 15 March 1922 |
| NLB/64/29 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 20 January 1923 |
| NLB/62/571 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 15 March 1922 |
| NLB/62/611 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Frank] Newall, FRS | 22 March 1922 |
| NLB/69/346 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, O.M., President of the Royal Society | 12 March 1926 |
| NLB/62/556 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 9 March 1922 |
| NLB/62/597 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 21 March 1922 |
| NLB/55/902 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., FRS | 23 October 1918 |
| NLB/55/553 | Copy letter from [Robert William Frederick Harrison], Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., Chairman of the Mathematics Committee and FRS | 01 June 1918 |
| NLB/62/672 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 4 April 1922 |
| NLB/62/601 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. G. Newton Pitt; 15 Portland Place, W. | 21 March 1922 |
| NLB/62/610 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Reverend [William Frederick Archdall] Ellison; Armagh Observatory, Ireland | 23 March 1922 |
| NLB/63/638 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Sir William Bragg, FRS | 21 November 1922 |
| NLB/62/575 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 15 March 1922 |
| NLB/55/847 | Copy letter from [Dr.] Arthur Schuster, Secretary of the Royal Society; to Professor [William Abbott] Herdman, FRS; Sir [Edward Albert] Sharpey-Schafer,FRS; and Mr. [James Hopwood] Jeans, FRS | 16 October 1918 |
| NLB/62/573 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Academie Royale Serbe des Sciences et des Arts; Belgrade, Serbia | 15 March 1922 |
| NLB/64/218 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 23 February 1923 |
| NLB/62/813 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lloyd S. Lloyd Esquire; Department of Scientific and Industrial Research, Old Queen Street S.W.l. | 11 May 1922 |
| NLB/64/559 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Alfred Egerton Esq., Clarendon Observatory, Oxford | 04 May 1923 |
| NLB/62/605 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [John Louis Emil] Dreyer; 14 Staverton Street, Oxford | 21 March 1922 |
| NLB/64/214 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 23 February 1923 |
| NLB/62/603 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 21 March 1922 |
| NLB/62/685 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George Hartley] Bryan, FRS | 6 April 1922 |
| NLB/62/669 | Copy lettter from James Hopwood Jeans, Secretary of the Royal Society; to Mr. Carl Baldus; Calle de Manuel Longoria 8, Madrid | 4 April 1922 |
| NLB/64/110 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Geographical Society; Kensington Gore, S.W.7. | 1 February 1923 |
| NLB/62/842 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Conjoint Board of Scientific Societies | 19 May 1922 |
| NLB/57/888 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Institution of Electrical Engineers | 27 February 1920 |
| NLB/62/784 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society | 5 May 1922 |
| NLB/62/846 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [John Louis Emil] Dreyer; 14 Staverton Road, Oxford | 19 May 1922 |
| NLB/62/631 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 28 March 1922 |
| NLB/62/640 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 30 March 1922 |
| NLB/62/653 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 30 March 1922 |
| NLB/62/673 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [George] Yule Udny Esquire, FRS | 4 April 1922 |
| NLB/62/797 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [John Louis Emil] Dreyer; 14 Staverton Road, Oxford | 9 May 1922 |
| NLB/62/773 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 4 May 1922 |
| NLB/62/649 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Hugh Kerr] Anderson, FRS | 31 March 1922 |
| NLB/69/204 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to F. J. Selby, National Physical Laboratory, Teddington | 28 January 1926 |
| NLB/62/902 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 1 June 1922 |
| NLB/64/313 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir John Dewrance; Cranmore Place, Chiselhurst | 12 March 1923 |
| NLB/62/905 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to J. W. Gordon Esquire; 11 King's Bench Walk, Temple, E.C. | 1 June 1922 |
| NLB/64/164 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 15 February 1923 |
| NLB/55 | New Letter Book volume 55, copy letters sent from Royal Society administration | 5 November 1917-1 November 1918 |
| NLB/63/622 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to [Charles Thomas] Heycock Esq, FRS | 16 November 1922 |
| NLB/64/253 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Cunningham] McLennan, FRS; Hotel Mont Fleuri, Mentone | 1 March 1923 |
| NLB/64/81 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Meteorological Society; 70 Victoria Street, S.W.l. | 30 January 1923 |
| NLB/62/802 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Percy [Edwin] Spielmann Esquire; the Arts Club, 40 Dover Street, W.l. | 9 May 1922 |
| NLB/65/393 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford [Baron Rutherford of Nelson], FRS | 26 October 1923 |
| NLB/64/358 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John] Joly, FRS | 22 March 1923 |
| NLB/57/804 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor JE [Sir Joseph Ernest] Petavel, FRS | 9 February 1920 |
| NLB/68/161 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Glazebrook, Foreign Secretary of the Royal Society | 21 May 1925 |
| NLB/63/648 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Sydney Pitt Esq., Clerk to the Armourers and Braisers Company, Armourers Hall, 81 Coleman Street, E.C.2. | 23 November 1922 |
| NLB/67/67 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Cort Harold] Carpenter, FRS | 14 October 1924 |
| NLB/62/896 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [George Clarke] Simpson, Director of the Meteorological Office and FRS | 29 May 1922 |
| NLB/62/837 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Geoffrey Harold] Hardy, FRS | 18 May 1922 |
| NLB/64/127 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Algernon] Parsons, FRS | 5 February 1923 |
| NLB/62/811 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [John Louis Emil] Dreyer; 14 Staverton Road, Oxford | 11 May 1922 |
| NLB/62/769 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Frederick Arden] Close, FRS | 4 May 1922 |
| NLB/62/731 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 24 April 1922 |
| NLB/64/72 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Hector Munro] Macdonald, FRS | 26 January 1923 |
| NLB/62/779 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 4 May 1922 |
| NLB/64/311 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr. W. Tait; 40 Robertson Street, Greenwich, S.E.10. | 12 March 1923 |
| NLB/63/454 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society and FRS | 19 October 1922 |
| NLB/62/839 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 18 May 1922 |
| NLB/62/372 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [John Louis Emil] Dreyer; 14 Staverton Road, Oxford | 2 February 1922 |
| NLB/66/507 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. E. K. Rideal, the Chemical Laboratory, the University, Cambridge | 20 May 1924 |
| NLB/64/728 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Ralph Allen Sampson, FRS | 11 June 1923 |
| NLB/57/705 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor J. E. [Sir Joseph Ernest] Petavel, FRS | 23 January 1920 |
| NLB/64/88 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the National Committee for Radio-Telegraphy and FRS | 30 January 1923 |
| NLB/67/725 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 19 February 1925 |
| NLB/64/15 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Geographical Society; Kensington Gore, S.W.7. | 19 January 1923 |
| NLB/64/265 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Baily] Dixon, FRS | 1 March 1923 |
| NLB/62/835 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 17 May 1922 |
| NLB/65/46 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ernest George] Coker, FRS | 17 July 1923 |
| NLB/62/838 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 19 May 1922 |
| NLB/64/87 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, Chairman of the National Committee for Physics | 30 January 1923 |
| NLB/62/878 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 25 May 1922 |
| NLB/68/745 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr E. Barnard Esq.; Department of Scientific and Industrial Research, 16 Old Queen Street, S.W.1. | 29 October 1925 |
| NLB/66/751 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretaries, Geological Society of London, Burlington House, W.1 | 3 July 1924 |
| NLB/63/815 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jenas, Secretary of the Royal Society and FRS | 02 January 1923 |
| NLB/62/899 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Morris William] Travers, FRS | 31 May 1922 |
| NLB/68/814 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred North] Whitehead, FRS | 5 November 1925 |
| NLB/65/603 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor, FRS | 27 November 1923 |
| NLB/64/352 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, FRS | 22 March 1923 |
| NLB/62/892 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 29 May 1922 |
| NLB/63/58 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Dr. Vernon Kellogg, Secretary, National Research Council, 1701, Massachusetts Avenue, Washington D.C., USA | 16 June 1922 |
| NLB/62/926 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 9 June 1922 |
| NLB/62/894 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock, Chairman of the Chemistry Committee and FRS | 29 May 1922 |
| NLB/67/65 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomson Rees] Wilson, Esq., FRS | 14 October 1924 |
| NLB/64/78 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 29 January 1923 |
| NLB/64/143 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esquire, FRS | 8 February 1923 |
| NLB/64/82 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ernest William] Hobson, Chairman of the National Committee for Mathematics and FRS | 30 January 1923 |
| NLB/62/895 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 29 May 1922 |
| NLB/57/717 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to the Editor of the Daily Telegraph | 28 January 1920 |
| NLB/64/169 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward] Smith Esquire, FRS | 15 February 1923 |
| NLB/62/906 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Albert] Wilson, FRS | 1 June 1922 |
| NLB/64/26 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sydney Pitt Esquire, Clerk to the Armourers and Brasiers' Company; 81 Coleman Street, E.C.l. | 19 January 1923 |
| NLB/66/250 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Ernest William] Dalby, FRS | 27 March 1924 |
| NLB/64/19 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Gerald Ponsonby] Lenox-Conyngham, FRS | 19 January 1923 |
| NLB/64/13 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Conjoint Board of Scientific Societies; Burlington House, W.l. | 19 January 1923 |
| NLB/64/357 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lloyd S. Lloyd Esquire; Department of Scientific & Industrial Research, 16 Old Queen Street, S.W.l. | 22 March 1923 |
| NLB/64/287 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, FRS | 7 March 1923 |
| NLB/64/142 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 8 February 1923 |
| NLB/64/28 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 20 January 1923 |
| NLB/64/86 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 30 January 1923 |
| NLB/64/57 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Theodore Evelyn Reece Phillips,] the Secretary of the Royal Astronomical Society; Burlington House, W.l. | 25 January 1923 |
| NLB/64/90 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Jackson] Pope, FRS | 30 January 1923 |
| NLB/64/23 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir John Dewrance; Cranmore Place, Chislehurst | 19 January 1923 |
| NLB/62 | New Letter Book volume 62, copy letters sent from Royal Society administration | 11 November 1921-10 June 1922 |
| NLB/64/288 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to O. J. R. Howarth Esquire; British Association, Burlington House | 7 March 1923 |
| NLB/64/99 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the British Association; Burlington House, W.l. | 1 February 1923 |
| NLB/64/22 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Institution of Civil Engineers, Great George Street, Westminster, S.W.l. | 19 January 1923 |
| NLB/64/21 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Arden Frederick] Close, FRS | 19 January 1923 |
| NLB/64/754 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to A.C.Egerton Esq. C/O Lord Parmour, S.W.1 | 14 June 1923 |
| NLB/65/802 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Albert Charles] Seward, FRS | 4 January 1924 |
| NLB/57/788 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor AW [Alfred William] Porter, FRS | 5 February 1920 |
| NLB/64/140 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematical Committee and FRS | 8 February 1923 |
| NLB/66/69 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 15 February 1924 |
| NLB/64/692 | Copy letter from William Bate Hardy; to Sir Sidney [Frederic] Harmer, K.B.E, FRS | 4 June 1923 |
| NLB/65/204 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Meghnad N.] Saha; University College of Science, Calcutta | 19 September 1923 |
| NLB/64/803 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Nevil Vincent] Sidgewick, FRS | 21 June 1923 |
| NLB/63/417 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society and FRS | 10 October 1922 |
| NLB/64/104 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Edinburgh Mathematical Society; 63 Comiston Drive, Edinburgh | 1 February 1923 |
| NLB/64/328 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John] Joly, FRS | 15 March 1923 |
| NLB/64/91 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 30 January 1923 |
| NLB/64/537 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William] Napier Shaw, FRS | 03 May 1923 |
| NLB/64/101 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Cambridge Philosophical Society; St. John's College, Cambridge | 1 February 1923 |
| IM/GA/Russell/002409 | Jeans, Sir James Hopwood | 1922 |
| NLB/64/128 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Frederick Arden] Close, FRS | 5 February 1923 |
| NLB/64/103 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Institution of Electrical Engineers; Savoy House, W.C.2. | 1 February 1923 |
| NLB/64/350 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lloyd S. Lloyd Esquire; Department of Scientific & Industrial Research, 16 Old Queen Street, S.W.l. | 22 March 1923 |
| NLB/63/609 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to [Charles Vernon] Boys Esq., FRS | 15 November 1922 |
| NLB/66/716 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Thomson, FRS | 25 June 1924 |
| NLB/64/149 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; [John William] Nicholson, FRS | 8 February 1923 |
| NLB/64/168 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 15 February 1923 |
| NLB/64/254 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 1 March 1923 |
| NLB/64/80 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 30 January 1923 |
| NLB/57/658 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Joseph Larmor, FRS, MP | 7 January [1920] |
| NLB/64/85 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Colonel Henry George Lyons,] Chairman of the National Committee for Geodesy and Geophysics and FRS | 30 January 1923 |
| NLB/66/689 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sydney] Chapman, FRS | 19 June 1924 |
| NLB/64/197 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Cunningham] McLennan, FRS | 22 February 1923 |
| NLB/64/123 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Threlfall, FRS | 5 February 1923 |
| NLB/64/190 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Albert] Wilson, FRS | 22 February 1923 |
| NLB/64/105 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Assistant Secretary of the British Astronomical Association; 136 Rodenhurst Road, S.W.4. | 1 February 1923 |
| NLB/68/597 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 16 September 1925 |
| NLB/64/111 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 1 February 1923 |
| NLB/64/183 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 20 February 1923 |
| NLB/57/740 | Copy letter from the Secretary of the Royal Society; to Professor JB [John Bretland] Farmer, FRS | 30 January 1920 |
| NLB/57/844 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to JE [John Edensor ] Littlewood, FRS | 21 February 1920 |
| NLB/63/623 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Lord Rayleigh, FRS | 16 November 1922 |
| NLB/57/328 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS, Chairman of the Physics Committee | 17 October 1919 |
| NLB/64/229 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 26 February 1923 |
| NLB/64/181 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 20 February 1923 |
| NLB/57/780 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Librarian, University College, Dundee | 3 February 1920 |
| NLB/64/361 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Frederick Arden] Close, FRS | 22 March 1923 |
| NLB/57/431 | Copy letter from Sir Arthur Schuster, Secretary of the Royal Society; to the Keeper HM [His Majesty's] Privy Purse [Frederick Edward Grey Ponsonby, 1st Baron Sysonby, GCB, GCVO, PC] | 6 November 1919 |
| NLB/64/216 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Dorothy] M. Wrinch; Girton College, Cambridge | 23 February 1923 |
| NLB/64/182 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 20 February 1923 |
| NLB/63/611 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Lord Rayleigh, FRS | 15 November 1922 |
| NLB/64/255 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 1 March 1923 |
| NLB/57/886 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 27 February 1920 |
| NLB/57/776 | Copy letter from unknown correspondent; to Egerton C Grey, Esq. D.Sc. | 2 February 1920 |
| NLB/64/129 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematical Society and FRS | 5 February 1923 |
| NLB/64/194 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 22 February 1923 |
| NLB/57/846 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor EG [Ernest George] Coker, FRS | 21 February 1920 |
| NLB/57/828 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor JW [John William] Nicholson, FRS | 17 February 1920 |
| NLB/64/435 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 11 April 1923 |
| NLB/57/754 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor [Sir Joseph Ernest] Petavel, FRS | 31 January 1920 |
| NLB/57/806 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS, KCB | 12 February 1920 |
| NLB/65/577 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to [the Editor of 'Nature'] | 22 November 1923 |
| NLB/64/282 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 7 March 1923 |
| NLB/64/359 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 22 March 1923 |
| NLB/57/764 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor EG [Ernest George]Coker, FRS | 2 February 1920 |
| NLB/57/760 | [Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society]; unknown correspondent | [February] 1920 |
| NLB/57/734 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Dr Charles Chree, FRS | 30 January 1920 |
| NLB/57/743 | Copy letter from the Secretary of the Royal Society; to the Editor, Nature, [Sir Richard Arman Gregory, FRS] | 30 January 1920 |
| NLB/57/733 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor JW [John William] Nicholson, FRS | 30 January 1920 |
| RR/68/235 | Referee's report by James Hopwood Jeans, on a paper 'A derivation of the tidal equations' by Harold Jeffreys | [1942] |
| NLB/57/707 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Ernest Rutherford [Baron Rutherford of Nelson], FRS [PRS] | 23 January 1920 |
| NLB/64/234 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 27 February 1923 |
| NLB/64/281 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, FRS | 7 March 1923 |
| NLB/64/89 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Theodore Evelyn Reece Phillips,] the Secretary of the Royal Astronomical Society | 30 January 1923 |
| NLB/64/316 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lloyd S. Lloyd Esquire; Department of Scientific & Industrial Research | 12 March 1923 |
| NLB/64/327 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Louis Napoleon George] Filon, FRS | 15 March 1923 |
| NLB/64/330 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 15 March 1923 |
| NLB/64/333 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Cunningham] McLennan, FRS | 15 March 1923 |
| NLB/64/107 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Theodore Evelyn Reece Phillips,] the Secretary of the Royal Astronomical Society; Burlington House, W.l. | 1 February 1923 |
| NLB/64/354 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 22 March 1923 |
| NLB/64/741 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Doctor [Gilbert Thomas] Walker FRS | 11 June 1923 |
| NLB/64/289 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 7 March 1923 |
| NLB/64/332 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 15 March 1923 |
| NLB/70/138 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society | 10 January 1927 |
| RR/67/193 | Referee's report by James Hopwood Jeans, on a paper 'The theory of the divisions in Saturn's rings' by George Ridsdale Goldsbrough | October 1940 |
| NLB/63/737 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society and FRS | 08 December 1922 |
| NLB/64/353 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ernest George] Coker, FRS | 22 March 1923 |
| NLB/68/670 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Commander [Alban Rohere] Poyntz; R.I.M.S 'Lawrence', Basra, Persian Gulf | 8 October 1925 |
| NLB/63/613 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [Arthur Stanley] Eddington, FRS | 15 November 1922 |
| NLB/65/174 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor Esq., FRS | 8 September 1923 |
| NLB/64/662 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Gilbert Thomas] Walker; FRS | 29 May1923 |
| NLB/63/643 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to [Charles Thomas] Heycock Esq., FRS | 23 November 1922 |
| NLB/65/345 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Aubrey Strahan, FRS | 18 October 1923 |
| NLB/67/712 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, FRS | 19 February 1925 |
| NLB/63/647 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Sir Dugald Clerk, FRS | 23 November 1922 |
| NLB/65/12 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, FRS | 12 July 1923 |
| NLB/64/681 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS. | 31 May 1923 |
| NLB/68/287 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred William] Porter, FRS | 12 June 1925 |
| NLB/67/196 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Gregory, Editor of 'Nature'; Messrs Macmillan and Co. Ltd., St Martin's Street, W.C.2. | 11 November 1924 |
| NLB/65/832 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Mitchinson] Hicks, FRS | 15 January 1924 |
| NLB/66/324 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; [John Cunningham] McLennan, FRS | 8 April 1924 |
| NLB/67/277 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. Eustace Davies Esq.; Treasury Chambers, Whitehall, S.W.1. | 26 November 1924 |
| NLB/64/668 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Frederick Arden-]Close, K.B.E, FRS | 29 May 1923 |
| NLB/63/806 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Lord Rayleigh, FRS | 22 December 1922 |
| NLB/64/687 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; Professor [Owen Willans] Richardson FRS | 2 June 1923 |
| NLB/64/534 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh, FRS | 02 May 1923 |
| NLB/68/380 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to E. Shaw Esq.; 1 Lowther Gardens, Exhibition Road, S.W.7. | 1 July 1925 |
| NLB/64/606 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. Harries Esq., 35 Marine Avenue, Hove, Brighton | 10 May 1923 |
| NLB/71/947 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to E. H. Davison Esq. | 15 December 1928 |
| NLB/63/771 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society and FRS | 13 December 1922 |
| NLB/65/601 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 27 November 1923 |
| NLB/65/9 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Newport] Langley, FRS | 12 July 1923 |
| NLB/64/536 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry Selby] Hele-Shaw, FRS | 02 May 1923 |
| NLB/69/205 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Lloyd] S. Lloyd Esq., C.B | 28 January 1926 |
| NLB/64/548 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Petavel, FRS | 03 May 1923 |
| NLB/65/440 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to D. F. Couzens Esq.; Lucknow Street, Plumstead Common, S.E.18. | 1 November 1923 |
| NLB/65/239 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hector Munro] Macdonald, FRS | 27 September 1923 |
| NLB/64/867 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hector Munro] Macdonald, FRS | 5 July 1923 |
| NLB/64/505 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh, FRS | 26 April 1923 |
| NLB/64/540 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock, FRS | 03 May 1923 |
| NLB/67/211 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 13 November 1924 |
| NLB/66/37 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 12 February 1924 |
| NLB/66/251 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel Winterbotham, Geographical Section, General Staff, War Office, S.W.1 | 27 March 1924 |
| NLB/64/731 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Heike] Kamerlingh Onnes, Forgein Member of the Royal Society | 11 June 1923 |
| NLB/64/612 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esq., FRS | 11 May 1923 |
| NLB/67/552 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Treasury; Whitehall, S.W.1. | 22 January 1925 |
| NLB/65/152 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Thomas Ralph] Merton, FRS | [August] 1923 |
| NLB/65/131 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 7 August 1923 |
| NLB/65/929 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Ernest] Dalby, FRS | 31 January 1924 |
| NLB/65/441 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Albert Campbell Esq.; Ballynatrua, Londonderry, Ireland | 1 November 1923 |
| NLB/64/604 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 09 May 1923 |
| NLB/68/200 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 28 May 1925 |
| NLB/65/600 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esq., FRS | 27 November 1923 |
| NLB/65/627 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 30 November 1923 |
| NLB/65/780 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 21 December 1923 |
| NLB/65/145 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 13 August 1923 |
| NLB/65/310 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 10 October 1923 |
| NLB/66/723 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; Professor [Horace] Lamb [Chairman of the Mathematics Committee] FRS. | 25 June 1924 |
| NLB/65/526 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Martin] Lowry, FRS | 13 November 1923 |
| NLB/65/10 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 12 July 1923 |
| NLB/64/750 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Major [Percy Alexander] MacMahon FRS | 14 June 1923 |
| NLB/65/124 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [George Clarke] Simpson, FRS | 7 August 1923 |
| NLB/64/542 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Martin] Lowry, C.B.E., FRS | 03 May 1923 |
| NLB/64/820 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to The Hon. Sir Charles [Algernon] Parsons, FRS | 26 June 1923 |
| NLB/68/456 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ralph Allen] Sampson, FRS | 9 July 1925 |
| RR/32/45 | Referee's report by James Hopwood Jeans, on a paper 'The lunar diurnal magnetic variation at Greenwich and other observatories' by Sydney Chapman | January 1925 |
| NLB/67/840 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Edwin Henry] Barton, FRS | 21 March 1925 |
| NLB/69/33 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. Albert Einstein, Foriegn Member of the Royal Society. | 16 December 1925 |
| NLB/64/554 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock, FRS | 03 May 1923 |
| NLB/66/868 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; Prof. [Horace] Lamb [Chairman of the Mathematics Committee] FRS. | 1 August 1924 |
| NLB/64/613 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Petavel, FRS | 11 May 1923 |
| NLB/69/256 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Admiral Sir Henry Jackson, FRS | 16 February 1926 |
| NLB/66/165 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof [George Neville] Watson, FRS | 6 March 1924 |
| NLB/64/615 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Jocelyn Field] Thorpe, FRS | 11 May 1923 |
| NLB/66/690 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [John Sealy Edward]Townsend, FRS | 19 June 1924 |
| NLB/64/609 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H.E. Wimperis Esq., Air Ministry Laboratory, Imperial College of Science, South Kensington, S.W.7. | 10 May 1923 |
| NLB/65/884 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to F. J. Lambert Esq.; 35 Leighton Avenue, Leigh-on-Sea, Essex | 24 January 1924 |
| NLB/71/810 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [William Henry] Young, FRS | 1 November 1928 |
| NLB/69/212 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Francis Arthur] Freeth, FRS | 2 February 1926 |
| NLB/65/933 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Dr [Pieter] Zeeman, ForMemRS | 31 January 1924 |
| NLB/65/648 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the President of the University of California | 3 December 1923 |
| NLB/64/691 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel FRS. | 4 June 1923 |
| NLB/66/862 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Frederick Alexander] Lindemann, FRS | 1 August 1924 |
| NLB/66/62 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the African Society, Imperial Institute, South Kensington S.W.7 | 15 February 1924 |
| NLB/65/138 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Martin] Lowry, FRS | 10 August 1923 |
| NLB/64/836 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb [Chairman of the Mathematics Committee] FRS | 27 June 1923 |
| NLB/65/444 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Herbert [Brereton] Baker, FRS | 1 November 1923 |
| NLB/65/314 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 10 October 1923 |
| NLB/66/188 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor, FRS | 12 March 1924 |
| NLB/64/568 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh, FRS | 04 May 1923 |
| NLB/65/902 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 25 January 1924 |
| NLB/66/92 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof [Sydney] Chapman, FRS | 21 February 1924 |
| NLB/64/666 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Nevil Vincent] Sidgwick, FRS | 29 May 1923 |
| NLB/64/826 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esq. FRS | 26 June 1923 |
| NLB/65/470 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Charles Herbert] Lees, FRS | 5 November 1923 |
| NLB/69/720 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Niels] Bohr, Foreign Memeber of the Royal Society | 8 September 1926 |
| NLB/65/289 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 6 October 1923 |
| NLB/65/201 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 19 September 1923 |
| NLB/65/556 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sydey Pitt Esq.; Armourers and Brasiers' Company, 81 Colman Street, E.C.2. | 20 November 1923 |
| NLB/68/963 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles Close, FRS | 10 December 1925 |
| NLB/66/117 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Vito] Volterra, Foreign Member of the Royal Society | 25 February 1924 |
| NLB/66/34 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir George [Thomas] Beilby, FRS | 12 February 1924 |
| NLB/64/788 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Hon. Sir Charles [Algernon] Parsons FRS | 19 June 1923 |
| NLB/66/599 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman | 3 June 1924 |
| NLB/65/181 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 11 September 1923 |
| NLB/65/86 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 25 July 1923 |
| NLB/65/434 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 1 November 1923 |
| NLB/64/827 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [George Albert] Chaddock, Wapping, Liverpool. | 26 June 1923 |
| NLB/65/622 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 30 November 1923 |
| NLB/65/177 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, FRS | 8 September 1923 |
| NLB/65/765 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock, FRS | 21 December 1923 |
| NLB/64/624 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Horace] Lamb, [Chairman of the Mathematics Committee] FRS | 16 May 1923 |
| NLB/64/711 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Alfred Ergerton Esq. of Linton Road, Oxford. | 7 June 1923 |
| NLB/65/772 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 21 December 1923 |
| NLB/65/176 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 8 September 1923 |
| NLB/64/837 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock, FRS | 27 June 1923 |
| NLB/64/714 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [George Neville] Watson, FRS. | 7 June 1923 |
| NLB/65/736 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 14 December 1923 |
| NLB/65/44 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esq., FRS | 17 July 1923 |
| NLB/65/67 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 21 July 1923 |
| NLB/64/870 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sydney [Hewitt] Pitt; The Armouries and Brasiers Company, Coleman Street, E.C.1 | 5 July 1923 |
| NLB/64/869 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; [Robert John Strutt] Lord Rayleigh | 5 July 1923 |
| NLB/64/667 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [John Robert Strutt] Lord Rayleigh FRS | 29 May 1923 |
| NLB/64/625 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 16 May 1923 |
| NLB/65/159 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 28 August 1923 |
| NLB/64/865 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Herbert Hall Prof. Turner, FRS | 4 July 1923 |
| NLB/66/72 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [William Mitchinson] Hicks, FRS | 18 February 1924 |
| NLB/64/628 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esq. FRS | 16 May 1923 |
| NLB/64/633 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [James Charles] Philip, FRS | 17 May 1923 |
| NLB/65/11 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Joseph John] Thomson, FRS | 12 July 1923 |
| NLB/65/155 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [James] S. Hodgson Esq. | [August 1923] |
| NLB/65/175 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to J. F. Dugger, Jr., Esq.; Hope Hull, Alabama, USA | 8 September 1923 |
| NLB/65/130 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Sir William [Henry?] Bragg, FRS | 7 August 1923 |
| NLB/65/498 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, FRS | 8 November 1923 |
| NLB/65/831 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [James Charles] Philip, FRS | 15 January 1924 |
| NLB/66/134 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Cecil Orr, Esq., Dawlish, Devonshire. | 28 February 1924 |
| NLB/68/668 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank] Twyman Esq., FRS | 8 October 1925 |
| NLB/64/684 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Arthur] Harden, FRS | 2 June 1923 |
| NLB/65/172 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor A. Hopewell-Smith; 12 Wickham Way, Beckenham | 8 September 1923 |
| NLB/66/137 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of Messrs. Brunner, Mond & Co. Limited, Winnington, Northwich | 28 February 1924 |
| NLB/66/132 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Geoffrey Ingram]Taylor, FRS. | 28 February 1924 |
| NLB/70/47 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Ernst Cohen, President of the Union Internationale de la Chimie Pure et Appliquee; 49 Rue des Mathurins, Paris | 10 December 1926 |
| NLB/64/749 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr S.C.Mitra of Dacca, [Dhaka] Bengal, India [Bangladesh] | 14 June 1923 |
| NLB/66/189 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society, to [Patrick Maynard Stuart] Blackett, Kings' College, Cambridge | 12 March 1924 |
| NLB/65/439 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 1 November 1923 |
| NLB/67/810 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 13 March 1925 |
| NLB/65/349 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sydney Pitt Esq.; [Clerk to] The Armourers and Brasiers Company, 81 Coleman Street, E.C. | 18 October 1923 |
| NLB/65/504 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 9 November 1923 |
| NLB/64/845 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [John Cunningham] McLennan, FRS | 28 June 1923 |
| NLB/64/785 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS. | 19 June 1923 |
| NLB/67/796 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward] Smith Esq., FRS | 11 March 1925 |
| NLB/67/554 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Treasury; Whitehall | 22 January 1925 |
| NLB/65/842 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esq., FRS | 17 January 1924 |
| NLB/66/17 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 7 February 1924 |
| NLB/67/479 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Arden] Close, FRS | 7 January 1925 |
| NLB/66/508 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman | 20 May 1924 |
| NLB/68/289 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 12 June 1925 |
| JHJ/4/84 | Inaugural address made by Jeans at the Twenty-Fifth Indian Science Congress, Silver Jubilee Session, Calcutta. | 1938 |
| NLB/65/843 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to President [William Wallace] Campbell, ForMemRS | 17 January 1924 |
| NLB/66/57 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Baily] Dixon, FRS. | 14 February 1924 |
| NLB/65/679 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock, FRS | 6 December 1923 |
| NLB/66/56 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Godfrey Harold] Hardy, FRS | 14 February 1924 |
| NLB/65/680 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [Ernest] Petavel, FRS | 6 December 1923 |
| NLB/64/910 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 9 July 1923 |
| NLB/67/161 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Deputy Minister of the Mint | 6 November 1924 |
| NLB/65/495 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr Alexander Scott, FRS | 8 November 1923 |
| NLB/60/656 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 10 March 1921 |
| NLB/65/347 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Heike] Kamerlingh Onnes, FRS | 18 October 1923 |
| NLB/65/41 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Newport] Langley, FRS | [17 July 1923] |
| NLB/66/554 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Alfred] Fowler, FRS, Gayton, St. Leonard's On Sea | 29 May 1924 |
| NLB/65/570 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 22 November 1923 |
| NLB/65/341 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 16 October 1923 |
| NLB/65/642 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 1 December 1923 |
| NLB/65/833 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 15 January 1924 |
| NLB/67/555 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 22 January 1925 |
| NLB/67/608 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Evan Maclean] Jack, CMG, Director General of the Ordnance Survey Office; Southampton | 28 January 1925 |
| NLB/64/829 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. Jurgen, Notgemeinschaft der Deutschen Wissenschaft, Bibliotheksausschuss, Berlin | 26 June 1923 |
| NLB/64/626 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk FRS | 16 May 1923 |
| NLB/65/682 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Henry Reginald Arnulph] Mallock Esq., FRS | 6 December 1923 |
| NLB/65/178 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Lord Rayleigh [Robert John Strutt], FRS | 8 September 1923 |
| NLB/66/99 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society to [Godfrey Harold] Hardy, FRS | 22 February 1924 |
| NLB/67/66 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to W. E. Crowther Esq.; 3 Green Lane, Liverpool | 14 October 1924 |
| NLB/64/220 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 23 February 1923 |
| NLB/66/101 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Godfrey Harold] Hardy | 22 February 1924 |
| NLB/66/208 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Glazebrook, FRS | 14 March 1924 |
| NLB/66/223 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr. H.M Close, C/o The Returned Soldier Club, Auckland, New Zealand | 19 March 1924 |
| NLB/65/395 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Scott] Sherrington, FRS, President of the Royal Society | 26 October 1923 |
| NLB/62/401 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 9 February 1922 |
| NLB/67/270 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Sidney [Gerald] Burrard, FRS | 26 November 1924 |
| NLB/65/625 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 30 November 1923 |
| NLB/66/810 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Vito] Volterra, Foreign Member of the Royal Society | 15 July 1924 |
| NLB/66/247 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. Hargrove Esq., Messrs Hargrove & Co. Caxton Street, S.W.1 | 27 March 1924 |
| NLB/65/647 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 3 December 1923 |
| NLB/65/901 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [George Clarke] Simpson, FRS | 25 January 1924 |
| NLB/65/650 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 3 December 1923 |
| NLB/64/871 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Patrick Maynard Stuart] Blackett Esq. King's College, Cambridge | 5 July 1923 |
| NLB/64/678 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb [Chairman of the Mathematics Committee] FRS | 31 May 1923 |
| NLB/65/500 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 8 November 1923 |
| NLB/65/898 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Cunningham] McLennan, FRS | 25 January 1924 |
| NLB/65/767 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur] Smithells, FRS | 21 December 1923 |
| NLB/65/885 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esq., FRS | 24 January 1924 |
| NLB/70/756 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Right Honourable Sir Alfred Mond, Baronet; Nobel House, Buckingham Gate, S.W.1. | 27 July 1927 |
| NLB/67/721 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Director General of the Ordnance Survey Office; Southampton | 19 February 1925 |
| NLB/65/836 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur William] Crossley, FRS | 17 January 1924 |
| NLB/65/624 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr [Sisir Kumar] Mitra; 27 Kayethtuly, P. O. Ramna, Dacca, Bengal, India | 30 November 1923 |
| NLB/66/136 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Petavel, FRS. | 28 February 1924 |
| NLB/67/275 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 26 November 1924 |
| NLB/64/571 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to C.R. Enock Esq., F.R.G.S., Froxfield, Petersfield, Hants. | 04 May 1923 |
| NLB/65/796 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 4 January 1924 |
| NLB/65/552 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 20 November 1923 |
| NLB/65/713 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 12 December 1923 |
| NLB/66/73 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 18 February 1924 |
| NLB/66/53 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 14 February 1924 |
| NLB/65/804 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Baily] Dixon, FRS | 4 January 1924 |
| NLB/67/131 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr J. Jackson, Secretary of the Royal Astronomical Society | 30 October 1924 |
| NLB/67/158 | Copy letter from William Bate Hardy and James Hopwood Jeans, Secretaries of the Royal Society; to Sir Otto [John] Beit, Bart, KCMG | 6 November 1924 |
| NLB/65/801 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Mitchinson] Hicks, FRS | 4 January 1924 |
| NLB/66/39 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Arthur] Bone, FRS | 12 February 1924 |
| NLB/65/803 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Harry] Buckley Esq.; Photometry Department, National Physical Laboratory, Teddington | 4 January 1924 |
| NLB/68/584 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Francis Arthur] Freeth, FRS | 5 September 1925 |
| NLB/66/474 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Ernest] Dalby, FRS | 15 May 1924 |
| NLB/66/100 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [John Cunnigham] McLennan, FRS | 22 February 1924 |
| NLB/65/663 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Geoge [Thomas] Beilby, FRS | 5 December 1923 |
| NLB/64/818 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [William Mitchinson] Hicks, FRS, Vancouver [British Colombia] Canada | 21 June 1923 |
| NLB/69/132 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Owen Willans] Richardson, FRS | 18 January 1926 |
| NLB/65/905 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 25 January 1924 |
| NLB/66/166 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [John Cunningham] McLennan, FRS | 6 March 1924 |
| NLB/66/683 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 19 June 1924 |
| NLB/66/746 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Charles Thomas Heycock, FRS | 3 July 1924 |
| NLB/66/80 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir James Walker, FRS | 18 February 1924 |
| NLB/67/126 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 28 October 1924 |
| NLB/65/678 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 6 December 1923 |
| NLB/66/94 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; Mr. S.C. Mitra of P.O. Ramma, Decca, [Dhaka] Bengal, India [Bangladesh] | 18 February 1924 |
| NLB/65/892 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong | 24 January 1924 |
| NLB/65/830 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 15 January 1924 |
| NLB/65/768 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to William Bate Hardy, Secretary of the Royal Society | 21 December 1923 |
| NLB/65/662 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 5 December 1923 |
| NLB/65/805 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Henry Reginald Arnulph] Mallock Esq., FRS | 4 January 1924 |
| NLB/67/729 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bate Hardy, Secretary of the Royal Society | 20 February 1925 |
| NLB/68/114 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Charles] Chree, FRS | 14 May 1925 |
| NLB/65/558 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 20 November 1923 |
| NLB/66/167 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to to Sir Ernest Rutherford, FRS | 6 March 1924 |
| NLB/66/21 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Harold Baily] Dixon, FRS | 7 February 1924 |
| NLB/65/895 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Mitchinson] Hicks, FRS | 24 January 1924 |
| NLB/61/156 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 26 May 1921 |
| NLB/67/119 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Porter, FRS | 28 October 1924 |
| NLB/66/190 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof [Frederick Alexander] Lindemann, FRS | 12 March 1924 |
| NLB/66/64 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. Sydney Chapman, FRS. | 15 February 1924 |
| NLB/66/252 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof [Frederick George] Donnan | 27 March 1924 |
| NLB/66/16 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [James Charles] Philip, FRS | 7 February 1924 |
| NLB/65/800 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Robert Robertson, FRS | 4 January 1924 |
| NLB/67/547 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 20 January 1925 |
| NLB/66/284 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Frederick George] Donnan, FRS | 2 April 1924 |
| NLB/67/952 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, FRS | 22 April 1925 |
| NLB/65/897 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 25 January 1924 |
| NLB/67/127 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 30 October 1924 |
| NLB/66/628 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, Cambridge Philosophical Society, Cambridge | 5 June 1924 |
| NLB/65/797 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Joseph T. Maguire Esq.; 17 Hesketh Street, Chevy Chase, Maryland, USA | 4 January 1924 |
| NLB/68/494 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 17 July 1925 |
| NLB/66/224 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Henry Reginald Arnulph] Mallock Esq,. FRS | 20 March 1924 |
| NLB/67/285 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Arden] Close, FRS | 1 December 1924 |
| NLB/66/225 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 20 March 1924 |
| NLB/65/838 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Geoffrey Ingram] Taylor, FRS | 17 January 1924 |
| NLB/65/889 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 24 January 1924 |
| NLB/66/135 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. J.C. Merriam, Carnegie Institution of Washington, Washington D.C. U.S.A | 28 February 1924 |
| NLB/66/139 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [William Mitchinson] Hicks, FRS | 28 February 1924 |
| NLB/66/877 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Walter] Rosenhain, FRS | 1 August 1924 |
| NLB/66/509 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [William Ernest] Dalby, FRS | 20 May 1924 |
| NLB/64/167 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 15 February 1923 |
| NLB/67/102 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Captain [Thomas Jefferson Jackson] See; Royal Observatory, Mare Island, California | 21 October 1924 |
| NLB/65/103 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 31 July 1923 |
| NLB/66/141 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Patrick Maynard Stuart] Blackett, Esq., King's College, Cambridge | 28 February 1924 |
| NLB/66/729 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 28 June 1924 |
| NLB/66/210 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Alexander Oliver] Rankine, Imperial College, South Kensington, S.W.7 | 15 March 1924 |
| NLB/66/249 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Ernest] Barker, Principle of King's College, London, W.C.2 | 27 March 1924 |
| NLB/66/164 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sydney] Chapman, FRS | 6 March 1924 |
| NLB/67/561 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Frank] Newall, FRS | 22 January 1925 |
| NLB/72/263 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to J. K. Roberts Esq., D.Sc | 13 June 1929 |
| NLB/68/444 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Geoffrey Ingram] Taylor, FRS | 13 July 1925 |
| NLB/67/201 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to S. E. Alley Esq.; 17 Iddesleigh House, Caxton Street, S.W.1 | 12 November 1924 |
| NLB/69/154 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Bate] Hardy, FRS | 21 January 1926 |
| NLB/69/152 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Herbert Hall] Turner, FRS | 21 January 1926 |
| NLB/68/83 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Vito] Volterra, ForMemRS | 8 May 1925 |
| NLB/66/320 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Samuel Walter Johnson] Smith, FRS | 8 April 1924 |
| NLB/67/603 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir James Walker, FRS | 28 January 1925 |
| NLB/66/220 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh. | 18 March 1924 |
| NLB/71/948 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Crown Agents for the Colonies, 4 Millbank, SW1 | 14 December 1928 |
| NLB/67/553 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 22 January 1925 |
| NLB/68/819 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Ralph Allen] Sampson, FRS | 5 November 1925 |
| NLB/66/516 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 22 May 1924 |
| NLB/67/709 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Lloyd] S. Lloyd, Esq., CB | 19 February 1925 |
| NLB/67/274 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Dyson, FRS | 26 November 1924 |
| NLB/67/777 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to A. E. Levin Esq.; The Croft, Bickley, Kent | 5 March 1925 |
| NLB/66/169 | Copy letter from [James Hopwood Jeans, Secretary of] the Royal Society; to Professor [William Ernest] Dalby, FRS | 6 March 1924 |
| NLB/66/216 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary for the Royal Society | 18 March 1924 |
| NLB/65/795 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 4 January 1924 |
| NLB/67/308 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Dr [Peter] Chalmers Mitchell, FRS | 25 November 1924 |
| NLB/66/248 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Thomas Edward] Stanton, FRS | 27 March 1924 |
| NLB/66/319 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Thomas Ralph] Merton, FRS | 8 April 1924 |
| NLB/67/527 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir James Walker, FRS | 15 January 1925 |
| NLB/66/187 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir John Dewrance K.B.E, Cramer Place, Chislehurst | 12 March 1924 |
| NLB/66/621 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Under-Secretary of State, India Office, Whitehall, S.W.1 | 6 June 1924 |
| NLB/66/221 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to John Ace, Esq., Ashville, North Carolina, U.S.A | 20 March 1924 |
| NLB/66/138 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sydney Chapman, FRS | 28 February 1924 |
| NLB/66/555 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Major H. E. Wimperis, Kensington, W.14 | 29 May 1924 |
| NLB/68/78 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor K. Grant; The University of Adelaide | 8 May 1925 |
| NLB/66/333 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 10 April 1924 |
| NLB/66/287 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Nevil Vincent] Sidgwick, FRS | 3 April 1924 |
| NLB/66/285 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Ezer] Griffiths, National Physical Laboratory, Teddington, Middlesex | 3 April 1924 |
| NLB/67/548 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to F. W. M. Draper Esq.; Tollington School, Tetherdown, Muswell Hill, N.10. | 20 January 1925 |
| NLB/67/920 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Women's Engineering Society; 26 George Street, Hanover Square, W.1. | 8 April 1925 |
| NLB/66/724 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; J. E. P. Wagstaff Esq., the University, Leeds | 26 June 1924 |
| NLB/68/583 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary; Messrs Brunner, Mond and Co., Winnington, Northwich | 5 September 1925 |
| NLB/70/696 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr W. H. George | 7 July 1927 |
| NLB/67/411 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Dr John Radakovits | 16 December 1924 |
| NLB/67/780 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Jocelyn Field] Thorpe, FRS | 5 March 1925 |
| NLB/66/229 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sidney] Chapman | 20 March 1924 |
| NLB/66/194 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Henry Cort Harold] Carpenter, FRS | 13 March 1924 |
| NLB/66/282 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur William] Crossley FRS | 2 April 1924 |
| NLB/66/102 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh | 22 February 1924 |
| NLB/68/714 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to P. A. Mainstone Esq.; Old Buildings, University College of North Wales, Bangor | 20 October 1925 |
| NLB/66/325 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Alfred] Fowler, FRS | 8 April 1924 |
| NLB/69/419 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. Karl Pearson, FRS | 30 March 1926 |
| NLB/67/549 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Geoffrey Ingram] Taylor, FRS | 20 January 1925 |
| NLB/66/475 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 15 May 1924 |
| NLB/67/121 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Frank] Newall, FRS | 28 October 1924 |
| NLB/68/917 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr Satyendra Ray; Physics Department, Lucknow University, Lucknow, India | 30 November 1925 |
| NLB/66/332 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman, FRS | 10 April 1924 |
| NLB/68/284 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Arden] Close, FRS | 12 June 1925 |
| NLB/67/646 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to F. J. Selby Esq.; National Physical Laboratory, Teddington | 6 February 1925 |
| NLB/68/876 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 19 November 1925 |
| NLB/67/795 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr J. L. E. Dreer; 14 Staverton Road, Oxford | 11 March 1925 |
| NLB/66/553 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Thomas Ralph] Merton, FRS | 29 May 1924 |
| NLB/67/526 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 15 January 1925 |
| NLB/66/682 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary; Royal Society of Arts. | 19 June 1924 |
| NLB/66/515 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, The Franklin Institute, Philadelphia, USA. | 21 May 1924 |
| NLB/66/629 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, British Astronomical Association, the Croft, Bickley | 5 June 1924 |
| NLB/68/201 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 28 May 1925 |
| NLB/67/798 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur William] Crossley, FRS | 11 March 1925 |
| NLB/69/872 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir James Walker, FRS | 4 November 1926 |
| NLB/67/809 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Geoffrey Ingram] Taylor, FRS | 13 March 1925 |
| NLB/66/634 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, Royal Geographical Society, S.W.7 | 5 June 1924 |
| NLB/68/749 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of Messrs Brunner Mond & Co. Ltd.; Winnington, Northwich | 29 October 1925 |
| NLB/67/745 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Theodore William] Chaundy Esq.; Christ Church, Oxford | 26 February 1925 |
| NLB/66/283 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; [Robert John Strutt] Lord Rayleigh, FRS | 2 April 1924 |
| NLB/69/871 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Dukinfield Henry] Scott, FRS | 4 November 1926 |
| NLB/66/457 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [John William] Nicholson, FRS | 15 May 1924 |
| NLB/67/850 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hens] Kienle; Universirars-Sternwarte, Gottingen, Germany | 25 March 1925 |
| NLB/68/750 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 29 October 1925 |
| NLB/67/530 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 15 January 1925 |
| NLB/66/469 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Pope, FRS | 15 May 1924 |
| NLB/68/66 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Frederick Edward] Brasch; the History of Science Society, Smithsonian Division, Library of Congress, Washington, DC. | 7 May 1925 |
| NLB/67/950 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 21 April 1925 |
| NLB/66/461 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Glazebrook, K.C.B, FRS | 15 May 1924 |
| NLB/66/745 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb [Chairman of the Mathematics Committee] FRS. | 3 July 1924 |
| NLB/66/744 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. M. Al-Kafyaly, Sullaniyet School, Aleppo, Syria. | 3 July 1924 |
| NLB/69/93 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Bate] Hardy, FRS | 8 January 1926 |
| NLB/67/128 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretaries of the Royal Astronomical Society; Burlington House, W.1. | 30 October 1924 |
| NLB/69/375 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Frederick Alexander] Lindermann, FRS | 23 March 1926 |
| NLB/66/622 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 6 June 1924 |
| NLB/66/470 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Frederick George] Donnan, FRS | 15 May 1924 |
| NLB/66/471 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to J. S. Ruchwaldy, Esq., Off Thomson Road, Singapore, S.S | 15 May 1924 |
| NLB/66/597 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Alfred] Fowler, FRS | 3 June 1924 |
| NLB/66/633 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, British Association, Burlington House, W.1 | 5 June 1924 |
| NLB/66/718 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Augustus Edward Hough] Love, FRS | 25 June 1924 |
| NLB/66/533 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward] Smith, FRS | 26 May 1924 |
| NLB/66/608 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Resident Secretary, Royal Irish Academy, Dublin | 4 June 1924 |
| NLB/66/462 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard Glazebrook, K.C.B, FRS | 15 May 1924 |
| NLB/66/685 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Petavel, FRS | 19 June 1924 |
| NLB/69/393 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Frederick George] Donnan, FRS | 25 March 1926 |
| NLB/69/213 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 2 February 1926 |
| NLB/67/831 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Lloyd] S. Lloyd Esq., CB; Department of Scientific and Industrial Research, 16 Old Queen Street, S.W.1. | 16 March 1925 |
| NLB/66/728 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. McLennan, FRS C/o The Athenauem, S.W.1 | 27 June 1924 |
| NLB/66/670 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Alfred Yarrow, Barts. FRS | 17 June 1924 |
| NLB/69/862 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Keeper, H.M. Privy Purse | 4 November 1926 |
| NLB/67/314 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry [Bradwardine] Jackson, GCB, FRS, Admiral of the Fleet | 4 December 1924 |
| NLB/66/520 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 22 May 1924 |
| NLB/66/598 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. Eustance Davies, Esq., Treasury Chambers, Whitehall, S.W.1 | 3 June 1924 |
| NLB/66/556 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Ralph Allen] Sampson, FRS | 30 May 1924 |
| NLB/66/625 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Hon. Secretary, Physical Society, London | 5 June 1924 |
| NLB/68/359 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the General Secretary of the Royal Society of Edinburgh; 22 George Street, Edinburgh | 25 June 1925 |
| NLB/66/632 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Institution of Electrical Engineers, Savoy Place, W.C.2 | 5 June 1924 |
| NLB/68/85 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Edwin] Boycott, FRS | 8 May 1925 |
| NLB/69/320 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. du Riche Preller, Edinburgh | 2 March 1926 |
| NLB/66/631 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Assistant Secretary, Royal Meteorological Society, S.W.7 | 5 June 1924 |
| NLB/68/55 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Alfred] Fowler, FRS | 7 May 1925 |
| NLB/66/630 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, Edinburgh Mathematical Society, Edinburgh | 5 June 1924 |
| NLB/68/59 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 8 May 1925 |
| NLB/67/223 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 14 November 1924 |
| NLB/66/769 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 4 July 1924 |
| NLB/69/868 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Admiral of the Fleet, Sir Henry [Bradwardine] Jackson, G.C.B, K.C.V.O., FRS | 4 November 1926 |
| NLB/69/391 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to John F. Watts Esq., Northwich, Cheshire | 25 March 1926 |
| NLB/67/482 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Frank] Newall, FRS | 7 January 1925 |
| NLB/71/946 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to P. Hardy Esq., Messrs. Young, Jackson, Beard and King, 46 Parliament Street, SW1 | 15 December 1928 |
| NLB/66/722 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [David Meredith Seares] Watson, FRS | 25 June 1924 |
| NLB/66/473 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 15 May 1924 |
| NLB/66/627 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, Royal Astronomical Society, Burlington House, W.1 | 5 June 1924 |
| NLB/66/715 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esq., FRS | 25 June 1924 |
| NLB/69/11 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 11 December 1924 |
| NLB/66/838 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 24 July 1924 |
| NLB/66/68 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor, FRS | 15 February 1924 |
| NLB/66/747 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, Treasury, Whitehall, S.W.1 | 3 July 1924 |
| NLB/66/609 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Alfred William] Porter, FRS | 5 June 1924 |
| NLB/66/734 | Copy letter from [James Hopwood Jeans, Secretary of] the Royal Society; to Sir Joseph Petavel, FRS | 30 June 1924 |
| NLB/66/95 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof [William Ernest] Dalby, FRS | 21 February 1924 |
| NLB/66/623 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman, FRS | 6 June 1924 |
| NLB/66/805 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Thomas Ralph] Merton, FRS | 11 July 1924 |
| NLB/66/748 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Thomas Martin] Lowry, FRS | 3 July 1924 |
| NLB/68/676 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 8 October 1925 |
| NLB/66/750 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; To the Secretary, Edinburgh Mathematical Society, 16 Chambers Street, Edinburgh | 3 July 1924 |
| NLB/68/840 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Henry] Perkin, FRS | 10 November 1925 |
| NLB/67/244 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 20 November 1924 |
| NLB/69/374 | Copy letter from [James Hopwood Jeans, Secretary of] the Royal Society; to Prof. [Charles Thomson Rees] Wilson, FRS | 23 March 1926 |
| NLB/66/725 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Robert Robertson, FRS | 27 June 1924 |
| NLB/69/17 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Percy Faraday] Frankland, FRS | 11 December 1924 |
| NLB/69/249 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur Stanley] Eddington, FRS | 12 February 1926 |
| NLB/72/476 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Gilbert Newton Lewis | 7 November 1929 |
| NLB/69/581 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Selig] Brodetsky | 11 June 1926 |
| NLB/68/311 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Honourable Secretary of the British Science Guild; 6 John Street, Adelphi, W.C.2.; also sent to the Secretary of the Faraday Society; the London Mathematical Society; the Secretary of the Society of Chemical Industry | [June 1925] |
| NLB/66/726 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sydney] Chapman, FRS | 27 June 1924 |
| NLB/66/843 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman | 24 July 1924 |
| NLB/66/863 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frederick George] Donnan, FRS | 1 August 1924 |
| NLB/66/635 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman, FRS | 10 June 1924 |
| NLB/66/719 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 25 June 1924 |
| NLB/68/810 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 5 November 1925 |
| NLB/69/759 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to Prof. [John Charles Grant] Ledingham, FRS | 6 October 1926 |
| NLB/68/362 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 25 June 1925 |
| NLB/69/923 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Messrs. J. Russell and Sons, Ltd., 73 Baker Street, W1 | 18 November 1926 |
| NLB/66/596 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor, FRS | 3 June 1924 |
| NLB/69/32 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, Institution of Naval Architects, 5 Adelphi Terrace, W.C.2 | 16 December 1925 |
| NLB/66/801 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frederick Alexander] Lindemann, FRS | 11 July 1924 |
| NLB/66/552 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 29 May 1924 |
| NLB/68/361 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to E. Barnard Esq.; Department of Scientific and Industrial Research, Westminster, S.W.1. | 25 June 1925 |
| NLB/66/606 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Walter] Rosenahin [Rosenhain], FRS | 3 June 1924 |
| NLB/69/250 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frederick Alexander] Lindemann, FRS | 11 February 1926 |
| NLB/69/16 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur] Harden, FRS | 11 December 1924 |
| NLB/66/883 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Gerald Ponsonby] Lenox-Conyngham, FRS | 6 August 1924 |
| NLB/70/907 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Keeper of His Majesty's Privy Purse | 3 November 1927 |
| NLB/66/688 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [William Ernest]Dalby | 19 June 1924 |
| NLB/69/150 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Ronald Aylmer] Fisher Esq., Rothamsted Experimental Station, Harpenden | 21 January 1926 |
| NLB/66/884 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS | 6 August 1924 |
| NLB/68/357 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir John Rose Bradford, KCMG, FRS | 24 June 1925 |
| NLB/69/425 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society | 12 April 1926 |
| NLB/62/260 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 13 January 1922 |
| NLB/70/908 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to William [David] Coolidge Esq. | 3 November 1927 |
| NLB/68/485 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans Esq., Secretary of the Royal Society | 16 July 1925 |
| NLB/68/291 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 12 June 1925 |
| NLB/68/581 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 5 September 1925 |
| NLB/69/257 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Peter] Chalmers Mitchell, FRS | 11 February 1926 |
| NLB/68/586 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Arthur] Bone, FRS | 5 September 1925 |
| NLB/69/131 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to C. Crowley Esq., Alum Rock, Birmingham | 18 January 1926 |
| NLB/68/849 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Thomson, CM, FRS | 12 November 1925 |
| NLB/68/592 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 11 September 1925 |
| NLB/71/806 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. Friederich Paschen | 1 November 1928 |
| NLB/70/44 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr Stephen Miall, Secretary of the Federal Council; c/o Chemical Society, Burlington House, W.1. | 10 December 1926 |
| NLB/68/447 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], FRS | 13 July 1925 |
| NLB/70/695 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to J. Taylor Esq. | 7 July 1927 |
| NLB/68/962 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Vincent Raven, KBE; Nately Lodge, Hook, Basingstoke | 10 December 1925 |
| NLB/69/646 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Peter] Chalmers Mitchell, FRS | 8 July 1926 |
| NLB/68/925 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ronald Ross, KCB, FRS | 1 December 1925 |
| NLB/69/264 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [George Neville] Watson, FRS | 18 February 1926 |
| NLB/69/251 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons | 12 February 1926 |
| NLB/69/214 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Henry Edward] Armstrong, FRS | 2 February 1926 |
| NLB/69/541 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 3 June 1926 |
| NLB/69/603 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Herbert Hall] Turner | 18 June 1926 |
| NLB/69/149 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [William] Barlow Esq., FRS | 21 January 1926 |
| NLB/69/252 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 11 February 1926 |
| NLB/69/869 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Bate] Hardy, FRS | 4 November 1926 |
| NLB/69/370 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to E. B. Knobel Esq., W.C.1 | 23 March 1926 |
| NLB/69/130 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to W. A. Whatmough Esq., Kildare, N.12 | 18 January 1926 |
| NLB/69/321 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to M. F. Headlam Esq., C.B., The Treasury, Whiehall, S.W.1 | 2 March 1926 |
| NLB/68/748 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 29 October 1925 |
| NLB/61/630 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 23 September 1921 |
| NLB/68/816 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Albert] Einstein, ForMemRS | 5 November 1925 |
| NLB/69/364 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Francis Arthur] Bather, FRS | 18 March 1926 |
| NLB/69/283 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to to Sir Ernest Rutherford, O.M. FRS | 22 February 1926 |
| NLB/69/390 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Pope, FRS | 25 March 1926 |
| NLB/69/825 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Under-Secretary of State for India, India Office, Whitehall, SW1 | 28 October 1926 |
| NLB/68/821 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Albert Einstein, ForMemRS | 5 November 1925 |
| NLB/69/363 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel Lyons, FRS, Chairman, Gassiot Committee | 18 March 1926 |
| NLB/69/327 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Henry Edward] Armstrong, FRS | 4 March 1926 |
| NLB/69/680 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Heath, K.C.B | 14 July 1926 |
| NLB/70/932 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Thomas Lewis, FRS | 8 November 1927 |
| NLB/70/168 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Alfred Egerton Esq. | 21 January 1927 |
| NLB/68/672 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Foreign Secretary of the Royal Society | 8 October 1925 |
| NLB/69/392 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. Karl Pearson, FRS | 25 March 1926 |
| NLB/69/153 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, Institution of Naval Architects, 5 Adelphi Terrace, W.C.2 | 21 January 1926 |
| NLB/69/395 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Lloyd] S. Lloyd., C.B., Department of Scientific and Industrial Research | 25 March 1926 |
| NLB/69/361 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. A. P. Littledale Esq., Streatley-on-Thames | 18 March 1926 |
| NLB/70/933 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Cunningham] McLennan, FRS | 8 November 1927 |
| NLB/69/396 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward] Smith Esq., FRS | 25 March 1926 |
| NLB/69/617 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Dyson, FRS | 25 June 1926 |
| NLB/72/264 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry Lyons, Foreign Secretary of the Royal Society | 13 June 1929 |
| NLB/70/927 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Scott] Sherrington, OM, GBE, FRS | 8 November 1927 |
| NLB/69/757 | Copy letter from [James Hopwood Jeans, Secretary of] the Royal Society; to the 'Memorandum for Messrs, Harrison & Sons.' | 5 October 1926 |
| NLB/69/580 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Willliam Bragg, FRS | 11 June 1926 |
| NLB/69/640 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, FRS | 8 July 1926 |
| NLB/69/866 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Archibald Vivian] Hill, O.B.E FRS | 4 November 1926 |
| NLB/70/13 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Clerk of the Armourers and Brasiers' Company; Armourers' Hall, 81 Coleman Street, E.C.2. | 30 November 1926 |
| NLB/70/926 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr Major Greenwood | 8 November 1927 |
| NLB/72/475 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Hans Geiger | 7 November 1929 |
| NLB/70/909 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Arthur [Amos] Noyes | 3 November 1927 |
| NLB/69/762 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof [Jocelyn Field] Thorne, FRS | 6 October 1926 |
| NLB/69/758 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Major [Walter Scott] Patton Patton, Departmet of Zoology, Edinburgh University | 6 October 1926 |
| NLB/69/925 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to G. Woods Wollaston Esq., College of Anne, Queen Victoria Street, EC | 18 November 1926 |
| NLB/69/745 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to Dr. A. W. Grace, Island Medical Office, Kingston, Jamaica | 29 September 1926 |
| NLB/69/864 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Morris William] Travers, FRS | 4 November 1916 |
| NLB/69/870 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frederick [Gowland] Hopkins, FRS | 4 November 1926 |
| NLB/69/924 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Messrs Goulty & Goodfellow, 6 Brown Street, Manchester | 18 November 1926 |
| NLB/69/927 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Napier Shaw, FRS | 19 November 1926 |
| NLB/73/124 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir James [Hopwood] Jeans, FRS | 15 December 1930 |
| NLB/71/731 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Hugh Longbourne] Callendar, FRS | 16 October 1928 |
| NLB/72/474 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Max Planck, ForMemRS | 7 November 1929 |
| NLB/71/553 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Gilbert Murray | 6 July 1928 |
| NLB/72/477 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Edensor] Littlewood, FRS | 7 November 1929 |
| NLB/71/570 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs. W. Dawson & Sons, Cannon House, Bream's Buildings, EC4 | 7 July 1928 |
| NLB/71/949 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Geoffrey Ingram] Taylor, FRS | 12 December 1928 |
| NLB/71/781 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Keeper, H.M. Privy Purse | 1 November 1928 |
| NLB/72/455 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Keeper of His Majesty's Privy Purse | 31 October 1929 |
| NLB/71/944 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Messrs. Few & Co. | 14 December 1928 |
| NLB/71/805 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to le Duc [Louis Cesar Victor] Maurice de Broglie | 1 November 1928 |
| NLB/71/942 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Messrs. Macmillian and Co., Ltd, St. Martin's Street, WC2 | 13 December 1928 |
| NLB/71/807 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur Stanley] Eddington, FRS | 5 November 1928 |
| NLB/71/808 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to to the Hon.Sir Chalres [Algernon] Parsons, O.M., K.C.B., FRS | 1 November 1928 |
| NLB/71/809 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Frederick George] Donnan, C.B.E., FRS | 1 November 1928 |
| NLB/71/945 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Director, Bureau of Hygiene and Tropical Medicine, 25 Gordon Stree5t, Endsleigh Gardens, WC1 | 14 December 1928 |
| NLB/71/941 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Miss D. Crofts, King's College for Women, Campden Hill Road, W8 | 13 December 1928 |
| NLB/72/228 | Copy letter from [Francis Alexander Towle, Assistant Secretary of the Royal Society]; to Sir Herbert Jackson, KBE, FRS | [May 1929] |
| NLB/72/514 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir James [Hopwood] Jeans, Secretary of the Royal Society | 22 November 1929 |
| JHJ/5/7 | Various handwritten and typed notes | nd |
| JHJ/4/41 | 'The Origin of the Solar System' | 1925 |
| NLB/64/502 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. D.M. Wrinch, Girton College, Cambridge | 26 April 1923 |
| NLB/64/679 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sir Geoffrey Ingram] Taylor, FRS | 31 May 1923 |
| NLB/64/607 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Alfred Edwin Howard] Tutton, FRS | 10 May 1923 |
| NLB/59/302 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [John] Thomson, President of the Royal Society | 8 September 1920 |
| CD/66/6 | Letter regarding the Conference with Sir Frank Heath; to Sir David Prain; Sir Richard Glazebrook; Sir Charles Sherrington; Dr [James Hopwood] Jeans; and Sir [William Bate] Hardy | 28 February 1925 |
| NLB/67/724 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Oliver Lodge, FRS | 20 February 1925 |
| NLB/68/669 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [William] Barlow Esq., FRS | 8 October 1925 |
| NLB/68/665 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to P. A. Mainstone Esq.; Old Buildings, University College of North Wales, Bangor | 9 October 1925 |
| NLB/64/730 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock FRS | 11 June 1923 |
| NLB/67/747 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Percy Fitz-Patrick] Rowell Esq.; Institution of Electrical Engineers, Savoy Place, Victoria Embankment, W.C.2. | 26 February 1925 |
| NLB/64/729 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb [Chairman of the Mathematics Committee] FRS | 11 June 1923 |
| NLB/64/603 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomson Rees] Wilson Esq., FRS | 09 May 1923 |
| NLB/68/68 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 8 May 1925 |
| NLB/68/671 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Mr Satyendra Ray; Sunder Bagh, 14b, Hewett Road, Lucknow, India | 30 September 1925 |
| NLB/64/102 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Society of Edinburgh | 1 February 1923 |
| NLB/64/732 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society;[Robert John Strutt] Lord Rayleigh | 11 June 1923 |
| NLB/64/797 | Copy letter from [James Hopwood Jeans], Secretary of the Royal Society; to Sir John Rose Bradford, K.C.M.G FRS | 20 June 1923 |
| NLB/64/751 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb [Chairman of the Mathematics Committee] FRS | 14 June 1923 |
| NLB/65/16 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Lord Rayleigh [Robert John Strutt], FRS | 13 July 1923 |
| NLB/65/15 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Professor [John William] Nicholson, FRS | 13 July 1923 |
| NLB/65/525 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 13 November 1923 |
| NLB/65/557 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 20 November 1923 |
| NLB/66/35 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman, FRS | 12 February 1924 |
| NLB/65/823 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 11 January 1924 |
| NLB/65/928 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 31 January 1924 |
| NLB/66/38 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 12 February 1924 |
| NLB/67/829 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur William] Crossley, FRS | 19 March 1925 |
| NLB/68/915 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Ralph Howard] Fowler Esq., FRS | 30 November 1925 |
| NLB/68/199 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Thomas Holland, FRS | 28 May 1925 |
| NLB/67/535 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans Esq, Secretary of the Royal Society | 16 January 1925 |
| NLB/66/255 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh | 27 March 1924 |
| NLB/66/103 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur William] Crossley, FRS. | 22 February 1924 |
| NLB/66/133 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh. | 28 February 1924 |
| NLB/66/334 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur William] Crossley, FRS | 10 April 1924 |
| NLB/66/453 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Thomas Ralph] Merton, FRS | 14 May 1924 |
| NLB/66/454 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Alfred] Fowler | 15 May 1924 |
| NLB/66/466 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to to Prof. [Arthur William] Crossley, FRS | 15 May 1924 |
| NLB/66/717 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 25 June 1924 |
| NLB/67/525 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 15 January 1925 |
| NLB/68/589 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur William] Crossley, CMG, FRS | 11 September 1925 |
| NLB/66/686 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 19 June 1924 |
| NLB/68/674 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 8 October 1925 |
| NLB/68/162 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 21 May 1925 |
| NLB/67/893 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr [Alexander] Russell, FRS | 2 April 1925 |
| NLB/68/325 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 18 June 1925 |
| NLB/68/914 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr Alexander Soos; Budapest, VIII. Jozsef korut, 82.1.2. | 30 November 1925 |
| NLB/72/454 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Deputy Master of the Royal Mint | 31 October 1929 |
| NLB/71/187 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Charles [Algernon] Parsons, O.M., K.C.B., FRS | 26 January 1928 |
| NLB/69/284 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Frederick George] Donnan, FRS | 22 February 1926 |
| NLB/70/252 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Under Secretary of State for India; India Office | 17 February 1927 |
| NLB/70/906 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Deputy Minister of the Royal Mint | 3 November 1927 |
| NLB/70/72 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Robert Robertson, FRS | 16 December 1926 |
| NLB/71/780 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Deputy Master, The Royal Mint | 1 November 1928 |
| NLB/72/424 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society, on behalf of James Hopwood Jeans, Secretary of the Royal Society; to [Alfred] Chaston Chapman Esq., FRS | 14 October 1929 |
| NLB/63 | New Letter Book volume 63, copy letters sent from Royal Society administration | 10 June 1922-19 January 1923 |
| JHJ/4/38 | 'Cosmogonic Problems Associated With a Secular Decrease of Mass', 'Monthly Notices of the Royal Astronomical Society', Vol. LXXXV, No. 1 | November 1924 |
| JHJ/2/1/10 | Letter from Samuel Hawkesley Burbury FRS to Jeans | 10 November 1903 |
| JHJ/3/1/3/62 | Copy of Jeans' reply to J Chalen, re Jeans' 'My Point of View' talk. | 5 March 1930 |
| NLB/59/596 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 23 October 1920 |
| JHJ/3/25 | 'Life Outside the Solar System' | 1942 |
| JHJ/3/5/4 | 'Nebula' | 1933 |
| JHJ/6 | Reviews | 1934-1935 |
| JHJ/3/1/3/10 | Letter from Sir Arthur Conan Doyle re Jeans' 'My Point of View' talk. | 24 February 1930 |
| P/0154 | Portrait of Jeans, Sir James Hopwood | 1924 |
| NLB/64/74 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. H. Jefferys; St. John's College, Cambridge | 25 January 1923 |
| NLB/63/842 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [Horace] Lamb, FRS | 06 January 1923 |
| IM/002408 | Jeans, Sir James Hopwood | nd |
| RR/15/67 | Memoranda from Robert William Frederick Harrison, and reply from George Carey Foster, on a paper 'The distribution of molecular energy' by James Hopwood Jeans | 27 July 1900 |
| NLB/21/386 | Copy letter from Robert William Frederick Harrison, to James Hopwood Jeans, Trinity College, Cambridge | 10 November 1900 |
| JHJ | Sir James Hopwood Jeans Papers | 1896-1945 |
| NLB/60/838 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [William Whitehead] Watts, FRS | 14 April 1921 |
| NLB/60/884 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 21 April 1921 |
| RR/24/51 | Referee's report by Frank Watson Dyson, on the Bakerian Lecture 'The configurations of rotating compressible masses' by James Hopwood Jeans | [May 1917] |
| NLB/60/59 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 6 December 1920 |
| RR/24/82 | Referee's report by James Hopwood Jeans, on a paper 'The dissipation of energy in the tides in connection with the acceleration of the moon’s mean motion' by R O Street | nd [1917] |
| NLB/56 | New Letter Book volume 56, copy letters sent from Royal Society administration | 1 November 1918-27 June 1919 |
| NLB/66/55 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 14 February 1924 |
| NLB/56/185 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [James Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 9 December 1918 |
| NLB/58/773 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank Heath [Secretary of the Department of Scientific and Industrial Research] | 17 June 1920 |
| NLB/59/337 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor P. Zeeman, Secretary of the Koninkikjke Academy van Wetenschappen | 21 September 1920 |
| NLB/58/623 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to an unknown correspondent | 27 May 1920 |
| NLB/58/912 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John Cunningham] McLennan, FRS | 3 July 1920 |
| NLB/59/188 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, FRS | 24 July 1920 |
| NLB/59/333 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph [John] Thomson, President of the Royal Society; Trinity College, Cambridge | 21 September 1920 |
| NLB/59/195 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Francis Arthur] Bather, FRS | 24 July 1920 |
| NLB/59/308 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [Joseph] Larmor, FRS | 9 September 1920 |
| NLB/60/11 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 2 December 1920 |
| NLB/60/410 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 1 February 1921 |
| RR/65/75 | Referee's report by James Hopwood Jeans, on a paper 'The problem of n bodies in general relativity theory' by Arthur Stanley Eddington and G L Clark | March 1938 |
| NLB/60/542 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 21 February 1921 |
| NLB/60/494 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Joseph Larmor, FRS | 15 February 1921 |
| NLB/60/657 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederic] Stanley Kipping, FRS | 10 March 1921 |
| NLB/60/429 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to R. O. Street Esquire; 23 Radstock Road, Elm Park, Liverpool | 3 February 1921 |
| NLB/60/624 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 3 March 1921 |
| NLB/60/879 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [George Walker] Walker Esquire, FRS | 21 April 1921 |
| NLB/61/57 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 3 May 1921 |
| NLB/61/75 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematical Committee and FRS | 5 May 1921 |
| NLB/61/126 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 17 May 1921 |
| NLB/61/101 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 10 May 1921 |
| NLB/61/110 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Victor Bulwer-Lytton,] the Under Secretary of State for India; India Office | 12 May 1921 |
| RR/50/134 | Referee's report by James Hopwood Jeans, on a paper 'On the electromagnetic fields due to variable electric charges and the intensities of spectrum lines according to the quantum theory' by George Adolphus Schott | November 1933 |
| NLB/57/354 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to JH [Sir James Hopwood] Jeans Esq,FRS | 23 October 1919 |
| NLB/61/269 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 13 June 1921 |
| NLB/61/268 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 13 June 1921 |
| NLB/61/492 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Cargill Gilston] Knott, FRS | 12 July 1921 |
| NLB/57/659 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor A [Alfred] Fowler, FRS | 7 January [1920] |
| NLB/57/656 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir David Prain, Treasurer of the Royal Society, FRS, IMS, CMG | 7 January 1920 |
| NLB/61/627 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Oliver [Joseph] Lodge, FRS | 23 September 1921 |
| NLB/61/695 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 13 October 1921 |
| NLB/61/303 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frederick Bernard] Pidduck Esquire; Queen's College, Oxford | 17 June 1921 |
| NLB/57/654 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS, KCB | 7 January 1920 |
| NLB/57/744 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Editor, Biochemical Journal | 30 January 1920 |
| NLB/61/901 | Copy letter from James Hopwood Jeans, Secretary Secretary of the Royal Society; to Professor [Hector Munro] Macdonald, FRS | 10 November 1921 |
| NLB/62/99 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 1 December 1921 |
| NLB/62/87 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 30 November 1921 |
| NLB/62/100 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sir Frank Heath] the Secretary of the Department of Scientific and Industrial Research | 1 December 1921 |
| NLB/62/156 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Under Secretary of State; Foreign Office | 13 December 1921 |
| NLB/62/162 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 13 December 1921 |
| NLB/62/173 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 15 December 1921 |
| NLB/62/239 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society | 9 January 1922 |
| NLB/62/363 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Charles James] Martin, FRS | 31 January 1922 |
| NLB/62/400 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 9 February 1922 |
| NLB/62/454 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Frank [Watson] Dyson, FRS | 16 February 1922 |
| NLB/62/488 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 21 February 1922 |
| NLB/62/879 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 25 May 1922 |
| NLB/64/112 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematical Committee and FRS | 1 February 1923 |
| NLB/57/433 | Copy letter from Sir Arthur Schuster, Secretary of the Royal Society; to the Deputy Master of the Mint | [November 1919] |
| NLB/57/813 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Dr E Deller | 13 February 1920 |
| NLB/57/802 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society;to Professor JW [John William] Nicholson, FRS, Chairman of the Mathematics Sectional Committee | 9 February 1920 |
| NLB/57/759 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Sir Frank Heath, KCB [Secretary to the Department of Scientific and Industrial Research]. | 2 February 1920 |
| NLB/57/655 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Professor HF [Hugh Frank] Newall, FRS | 7 January 1920 |
| NLB/64/312 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Horace] Lamb, Chairman of the Mathematics Committee and FRS | 12 March 1923 |
| NLB/62/650 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 31 March 1922 |
| NLB/66/20 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 7 February 1924 |
| NLB/66/201 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Frank Edward] Smith, Esq., FRS | 13 March 1924 |
| NLB/66/222 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Francois Antoine Alfred] Lacroix, Foreign Member of the Royal Society | 20 March 1924 |
| NLB/65/722 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 12 December 1923 |
| NLB/66/499 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to William Bragg, FRS | 20 May 1924 |
| NLB/66/611 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to to [Frederick Alexander] Lindemann, FRS | 5 June 1924 |
| NLB/66/551 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur William] Crossley, FRS | 29 May 1924 |
| NLB/66/549 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 29 May 1924 |
| NLB/66/798 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [William Ernest] Dalby, FRS | 11 July 1924 |
| NLB/66/673 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Eddington, FRS | 17 June 1924 |
| NLB/66/610 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 5 June 1924 |
| NLB/66/803 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Horace] Lamb [Chairman of the Mathematics Committee] FRS. | 11 July 1924 |
| NLB/66/800 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Ll. S. Lloyd Esq., C.B., Department of Scientific and Industrial Reserach, Westminster, S.W.1 | 11 July 1924 |
| NLB/69/362 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [John Turner] Macgregor Morris Esq., East London College, Mile End Road, E.1 | 18 March 1926 |
| NLB/66/669 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sydney] Chapman | 17 June 1924 |
| NLB/66/684 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Horace] Lamb, Chairman of the Mathematical Committee | 19 June 1924 |
| NLB/66/626 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the General Secretary, Royal Society of Edinburgh, Edinburgh | 5 June 1924 |
| NLB/66/36 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Arthur William] Crossley, FRS | 12 February 1924 |
| NLB/69/119 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans, Secretary of the Royal Society | 14 January 1926 |
| NLB/69/285 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lady Dewar, Cavendish Square, W.1 | 22 February 1926 |
| NLB/68/846 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary; Treasury, Whitehall, S.W.1. | 11 November 1925 |
| NLB/69/677 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, Cambridge Philosophical Society | 14 July 1926 |
| NLB/69/614 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to Prof. [John Charles Grant] Ledingham, FRS | 24 June 1926 |
| NLB/69/863 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Deputy Master, The Royal Mint | 4 November 1926 |
| NLB/69/926 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to W. Felolberg Esq., National Institute for Medical Research, Hampstead, NW3 | 19 November 1926 |
| NLB/71/423 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary, the International Society for the Exploration of the Arctic Regions by means of the Airship. | 11 May 1928 |
| NLB/72/285 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to H. Pitt Esq | 18 June 1929 |
| NLB/64/677 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh FRS | 31 May 1923 |
| NLB/65/43 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 17 July 1923 |
| NLB/65/899 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Harold Baily] Dixon, FRS | 24 January 1924 |
| NLB/64/75 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur Stewart] Eve, FRS | 26 January 1923 |
| NLB/64/634 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor, Esq. FRS | 17 May 1923 |
| NLB/64/106 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Irish Academy; Dawson Street, Sublin | 1 February 1923 |
| NLB/67/101 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Arthur William] Crossley, FRS | 21 October 1924 |
| NLB/65/140 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 10 August 1923 |
| NLB/65/604 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 27 November 1923 |
| NLB/66/140 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Ernest Rutherford, FRS | 28 February 1924 |
| NLB/66/168 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 6 March 1924 |
| NLB/66/318 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh | 8 April 1924 |
| NLB/69/133 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Hans Friedrich] Gadow, FRS | 18 January 1926 |
| NLB/69/39 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Owen Willans] Richardson, FRS | 16 December 1925 |
| NLB/69/318 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Frank Dyson, FRS | 2 March 1926 |
| NLB/69/746 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to the Under Secretary of State, Colonial Office | 29 September 1926 |
| NLB/54 | New Letter Book volume 54, copy letters sent from Royal Society administration | 10 January 1917-2 November 1917 |
| NLB/56/98 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Jeans Hopwood] Jeans, Chairman of the Mathematics Committee and FRS | 19 November 1918 |
| NLB/61/336 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Hugh Callendar] Longbourne, FRS | 21 June 1921 |
| NLB/58 | New Letter Book volume 58, copy letters sent from Royal Society administration | 28 February 1920-9 July 1920 |
| NLB/60/116 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Royal Irish Academy | 10 December 1920 |
| NLB/60/456 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 10 February 1921 |
| NLB/59 | New Letter Book volume 59, copy letters sent from Royal Society administration | 9 July 1920-2 December 1920 |
| NLB/60/885 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, Foreign Secretary of the Royal Society | 21 April 1921 |
| NLB/60 | New Letter Book volume 60, copy letters sent from Royal Society administration | 2 December 1920-26 April 1921 |
| NLB/61/279 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 16 June 1921 |
| NLB/60/81 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 9 December 1920 |
| NLB/61/597 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 16 September 1921 |
| NLB/57/556 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 4 December 1919 |
| NLB/61/896 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS | 10 November 1921 |
| NLB/61/904 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock Esquire, Chairman of the Chemistry Committee and FRS | 10 November 1921 |
| NLB/61 | New Letter Book volume 61, copy letters sent from Royal Society administration | 26 April 1921-11 November 1921 |
| NLB/62/127 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Henry] Forster Morley, Director of the International Catalogue of Scientific Literature | 8 December 1921 |
| NLB/62/286 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [John William] Nicholson, Chairman of the Mathematics Committee and FRS | 19 January 1922 |
| NLB/62/332 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Professor [Edwin Henry] Barton, FRS | 27 January 1922 |
| NLB/62/362 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Henry George] Lyons, Chairman of the Gassiot Committee and FRS | 31 January 1922 |
| NLB/57/890 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to the Director of the Meteorological Office [Sir William Napier Shaw, FRS] | 27 February 1920 |
| NLB/62/771 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS | 4 May 1922 |
| NLB/57/819 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to Dr JWL [James Whitbread Lee] Glaisher, FRS | 13 February 1920 |
| NLB/57/799 | Copy letter from Sir James Hopwood Jeans, FRS, Secretary of the Royal Society; to the Secretary HM [His Majesty's] Treasury | 9 February 1920 |
| NLB/66/506 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; [Robert John Strutt] Lord Rayleigh, FRS | 20 May 1924 |
| NLB/66/720 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman | 25 June 1924 |
| NLB/66/548 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman | 29 May 1924 |
| NLB/66/464 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Geoffrey Ingram] Taylor, FRS | 15 May 1924 |
| NLB/66/517 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman, FRS | 22 May 1924 |
| NLB/66/657 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; [Robert John Strutt] Lord Rayleigh | 13 June 1924 |
| NLB/66/829 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [James Hopwood] Jeans esq., Secretary of the Royal Society | 21 July 1924 |
| NLB/66/804 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Sydney] Chapman, FRS | 11 July 1924 |
| NLB/66/878 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 1 August 1924 |
| NLB/66/658 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sydney] Chapman | 13 June 1924 |
| NLB/66/799 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 11 July 1924 |
| NLB/66/811 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 15 July 1924 |
| NLB/69/146 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Geoffrey Ingram] Taylor, FRS | 21 January 1926 |
| NLB/68/812 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Deputy Master of the Royal Mint | 5 November 1925 |
| NLB/69/13 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [William Lawrence] Bragg, FRS | 11 December 1924 |
| NLB/69/386 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Godfrey Harold] Hardy, FRS | 25 March 1926 |
| NLB/70/45 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Arthur Schuster, FRS; General Secretary of the International Research Council; Burlington House, W.1. | 10 December 1926 |
| NLB/69/681 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to H. M. Treasury | 14 July 1926 |
| NLB/66 | New Letter Book volume 66, copy letters sent from Royal Society administration | 1 February 1924-25 September 1924 |
| NLB/64 | New Letter Book volume 64, copy letters sent from Royal Society administration | 19 January 1923-11 July 1923 |
| NLB/64/712 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh | 7 June 1923 |
| NLB/65/766 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 21 December 1923 |
| NLB/66/54 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 14 February 1924 |
| NLB/66/841 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 24 July 1924 |
| NLB/69/379 | Copy letter from [James Hopwood Jeans, Secretary of] the Royal Society; to to Prof. [Thomas Renton] Elliott, FRS | 24 March 1926 |
| NLB/69/602 | Copy letter from [James Hopwood Jeans], Secretary of the Royal Society; to Prof. [John Charles Grant] Ledingham, FRS | 17 June 1926 |
| NLB/69/799 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Colonel [Frederick John Marrian] Stratton | 19 October 1926 |
| NLB/52 | New Letter Book volume 52, copy letters sent from Royal Society administration | 9 July 1915-8 March 1916 |
| NLB/57 | New Letter Book volume 57, copy letters sent from Royal Society administration | 27 June 1919-27 February 1920 |
| RR/15/65 | Memoranda from Robert William Frederick Harrison and reply from George Carey Foster, on a paper 'On the static diffusion of gases and liquids' by Horace Tabberer Brown and F Escombe and 'On the distribution of molecular energy' by James Hopwood Jeans | 16 July 1900 |
| RR/47/32 | Referee's report by James Hopwood Jeans, on a paper 'Theory of electric charge' by Arthur Stanley Eddington | 15 April 1932 |
| MS/421/6 | Register of Papers submitted to the Royal Society, series A, 1927-1933 | 1927-1933 |
| MS/421/5 | Register of Papers submitted to the Royal Society, 1921-1926 | 1921-1926 |
| MS/421/4 | Register of Papers submitted to the Royal Society, 1905-1920 | 1905-1920 |
| RR/68/119 | Referee's report by James Hopwood Jeans, on a paper 'On Laplace’s differential equations for the tides' by Joseph Proudman | [June 1941] |
| RR/15/63 | Referee's report by William Thomson, Lord Kelvin on a paper 'The distribution of molecular energy' by James Hopwood Jeans | 9 July 1900 |
| RR/21/79 | Referee's report by James Hopwood Jeans, on a paper 'A suggestion regarding black body radiation' by George Green | [June 1914] |
| RR/21/93 | Referee's report by Frank Watson Dyson, on a paper 'On the potential of ellipsoidal bodies, and figures of equilibrium of rotating liquid masses' by James Hopwood Jeans | [June 1914] |
| RR/21/94 | Referee's report by Horace Lamb, on a paper 'On the potential of ellipsoidal bodies, and figures of equilibrium of rotating liquid masses' by James Hopwood Jeans | [July 1914] |
| RR/21/119 | Referee's report by James Hopwood Jeans, on a paper 'On the origin of the absorption spectra of certain types of organic compounds' by N P McCleland | [April 1914] |
| RR/22/98 | Referee's report by James Hopwood Jeans, on a paper 'On electrodynamic theory of magnetism' by T J J See | September 1915 |
| RR/24/3 | Referee's report by James Hopwood Jeans, on a paper 'Characteristic frequency and atomic number' by Herbert Stanley Allen | nd [1917] |
| RR/46/103 | Referee's report by James Hopwood Jeans, on a paper 'On Eddington's problem of the expansion of the universe by condensation' by N R Sen | [June 1932] |
| RR/50/70 | Referee's report by James Hopwood Jeans, on a paper 'The kelvin-poincare problem of stellar evolution' by V V Narlikar | April 1933 |
| RR/62/102 | Referee's report by James Hopwood Jeans, on a paper 'The effect of the fitzgerald-lorentz contraction on the frequency of longitudinal vibration of a rod' by A B Wood, G A Tomlinson and Louis Essen | [September 1936] |
| MC/21 | Volume 21 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1906 |
| MC/21/329 | Letter from [James Hopwood] Jeans, Princeton University, Princeton, to the Secretaries of the Royal Society | 14 May 1906 |
| MC/32/152 | Letter from [James Hopwood] Jeans, 8 Ormonde Gate, Chelsea, S.W, to Mr [Robert] Harrison, [Royal Society] | 22 April 1917 |
| MC/37/31 | Letter from John Dewrance, 165 Great Dover Street, London, S.E.1., to [Francis Alexander] Towle, The Royal Society, Burlington House, W.1. | 10 January 1923 |
| MC/33/95 | Letter from [James Hopwood] Jeans, Cleveland Lodge, Dorking, to Mr [Robert] Harrison, [Royal Society] | 3 July 1918 |
| MC/35 | Volume 35 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1921 |
| MC/35/19 | Letter from [William Lawrence] Bragg, The University, Manchester, to [James Hopwood] Jeans | 2 February 1921 |
| MC/34/114 | Letter from [James Hopwood] Jeans, Cleveland Lodge, Dorking, to Mr [Robert] Harrison, [Royal Society] | April 1919 |
| MC/35/17 | Lette from [Niels Henrik David] Bohr, Universitetets Institut for Teoretisk Fysik, to [James Hopwood] Jeans | 10 November 1921 |
| MC/35/37 | Letter from Duguld Clerk, Consulting Engineer, 57 & 58 Lincolnn's Inn Fields, London, to Dr [James Hopwood] Jeans, Secretary of the Royal Society, Burlington House | 25 January 1921 |
| MC/35/48 | Letter from [Harold Baily] Dixon, The University, Manchester, to Dr [James Hopwood] Jeans | 11 June 1921 |
| MC/37/23 | Letter from [Henry Cort Harold] Carpenter, Imperial College of Science and Technology (Royal College of Mines), South Kensington, London, S.W.7., to Dr J. H. Jeans, The Royal Society, Burlington House, W.1 | 12 March 1923 |
| MC/35/76 | Letter from [Godfrey Harold] Hardy, Trinity College, Cambridge, to [James Hopwood] Jeans | [August 1921] |
| MC/35/86 | Letter from [James Hopwood] Jeans, Secretary of the Royal Society, Imperial Hotel, Torquay, to [Francis Alexander] Towle | 22 March 1921 |
| MC/35/87 | Letter from [James Hopwood] Jeans, Fife Arms Hotel, Braemar, to [Francis Alexander] Towle | [August 1921] |
| MC/35/141 | Letter from Arthur Schuster, Yeldall, Twyford, Berkshire, to [James Hopwood] Jeans | 2 November 1921 |
| MC/36 | Volume 36 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1922 |
| MC/36/21 | Letter from [Charles] Chree, 75 Church Road, Richmond, Surrey, to [James Hopwood] Jeans | 13 November 1922 |
| MC/38/30 | Letter from [Richard Tetley] Glazebrook, Ballards Oak, Limpsfield, Surrey, to [James Hopwood] Jeans | 3 October 1924 |
| MC/36/56 | Letter from [James Hopwood] Jeans, Cleveland Lodge, Dorking, to [Francis Alexander] Towle | [November 1922] |
| MC/37/119 | Letter from [Ralph Allen] Sampson, General Secretary, Royal Society of Edinburgh, 22 George Street, to [James Hopwood] Jeans, Secretary, Royal Society of London, Burlington House, London | 7 June 1923 |
| MC/37/125 | Letter from [William] Napier Shaw, 10 Moreton Gardens, S.W.5., to [James Hopwood] Jeans, [Royal Society] | 7 November 1923 |
| MC/36/111 | Letter from Pieter Zeeman, Amsterdam, to Professor [James Hopwood] Jeans | 11 November 1922 |
| MC/39 | Volume 39 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1925 |
| MC/39/37 | Letter from [Alfred] Fowler, Imperial College of Science and Technology (Royal College of Science), South Kensington, London, to [James Hopwood] Jeans | 20 February 1925 |
| MC/39/49 | Letter from Messrs Hargrove & Co., 8 Iddesleigh House, Caxton Street, Westminster, to James [Hopwood] Jeans, Secretary of the Royal Society, Burlington House, Piccadilly | 5 January 1925 |
| MC/39/63 | Letter from R J Lang, Assistant Professor of Physics, University of Alberta, Edmonton, Alberta, Canada, to [James Hopwood] Jeans, Secretary of the Royal Society, Burlington House, London, England | 24 December 1924 |
| MC/39/94 | Letter from Arthur Schuster, The Royal Society, Burlington House, London, to [James Hopwood] Jeans | 4 November 1924 |
| MC/39/116 | Letter from [Alfred North] Whitehead, 504 Radnor Hall, Charles River Road, Cambridge, Massachusetts, USA, to [James Howpwood Jeans], Secretary of the Royal Society | 18 November 1925 |