| RefNo | Title | Date |
| EC/1877/04 | Dewar, Sir James: certificate of election to the Royal Society | |
| MM/10/34 | Letter from James Dewar, Royal Institution, to Sir William Thomson | 17 December 1891 |
| MM/10/33 | Letter from James Dewar, Royal Institution, to Sir William Thomson | 10 December 1891 |
| MS/743/1/142 | Letter from James Dewar, Royal Institution of Great Britain, to [John Hall] Gladstone | 21 January 1893 |
| NLB/34/407 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Society | 15 January 1907 |
| NLB/40/740 | Copy letter from F A Joule to Sir James Dewar | 28 July 1909 |
| NLB/40/745 | Copy letter from Robert William Frederick Harrison to Sir Joseph Larmor, Sec RS | 29 July 1909 |
| NLB/24/342 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 30 April 1902 |
| NLB/2/348 | Copy letter from an unknown correspondent, to West, Newman & Company | 7 May 1888 |
| NLB/3/196 | Copy letter from Herbert Rix, to Professor Bewar, Fellow of the Royal Society | 10 April 1889 |
| NLB/4/854 | Copy letter from Herbert Rix, to Professor James Dewar, Fellow of the Royal Society | 12 November 1890 |
| NLB/3/119 | Copy letter from Herbert Rix, to Professor Michael Foster, [Royal Society] | 21 March 1889 |
| NLB/4/1152 | Copy letter from Herbert Rix, to Professor James Dewar | 2 February 1891 |
| NLB/6/558 | Copy letter from Herbert Rix, to Professor James Dewar, Fellow of the Royal Society | 31 May 1892 |
| NLB/3/981 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | [28 November 1889 |
| NLB/6/712 | Copy letter from Herbert Rix, to Messrs West, Newman & Company | 30 June 1892 |
| NLB/6/927 | Copy letter from Herbert Rix, to Messrs West, Newman & Company | 20 September 1892 |
| NLB/3/1090 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 8 January 1890 |
| NLB/7/776 | Copy letter from Herbert Rix, to Professor James Dewar, Fellow of the Royal Society | [24 April 1893] |
| NLB/23/2/48 | Copy letter from Sir Michael Foster, to Professor [James] Dewar, Fellow of the Royal Society | 26 March 1901 |
| NLB/7/894 | Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt] | 19 May 1893 |
| NLB/10/54 | Copy letter from Herbert Rix, to Sir John Evans, Treasurer, Royal Society | 19 September 1894 |
| NLB/10/264 | Copy letter from Lord Raleigh [John William Strutt], to Professor James Dewar, Fellow of the Royal Society | 1 November 1894 |
| NLB/8/714 | Copy letter from Herbert Rix, to Professor James Dewar, Fellow of the Royal Society | 13 December 1893 |
| NLB/10/319 | Copy letter from Herbert Rix, to Professor James Dewar, Fellow of the Royal Society, Royal Institution, Albemarle Street, W. | 8 November 1894 |
| NLB/10/546 | Copy letter from Herbert Rix, to Sir John Evans, Treasurer, Royal Society | 14 December 1894 |
| NLB/10/259 | Copy letter from Lord Rayleigh [John William Strutt], to Horace Alfred Damer Seymour, Royal Mint | 1 November 1894 |
| NLB/10/545 | Copy letter from Herbert Rix, to Professor James Dewar, Fellow of the Royal Society | 14 December 1894 |
| NLB/10/678 | Copy letter from Herbert Rix, to Professor James Dewar, Fellow of the Royal Society | 18 January 1895 |
| NLB/9/771 | Copy letter from Herbert Rix, to Sir John Evans, Treasurer, Royal Society | 11 July 1894 |
| NLB/13/29 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | [May] 1896 |
| NLB/13/20 | Copy letter from Robert William Frederick Harrison, to Lord Rayleigh [John William Strutt], Secretary, Royal Society | 29 May 1896 |
| NLB/13/263 | Copy letter from Robert William Frederick Harrison, to Dr Woolcombe | 16 July 1896 |
| NLB/13/526 | Copy letter from Robert William Frederick Harrison, to Professor John Ambrose Fleming, Fellow of the Royal Society | 3 October 1896 |
| NLB/16/312 | Copy letter from an unknown correspondent, to Henry Young, Assistant Secretary, Royal Institution, Albemarle, W. | [14 March 1898] |
| NLB/12/745 | Copy letter from Theodore E James, to Professor Haddon | 25 April 1896 |
| NLB/12/750 | Copy letter from Theodore E James, to Professor James Dewar, Fellow of the Royal Society | 27 April 1896 |
| NLB/12/884 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 23 May 1896 |
| NLB/14/324 | Copy letter from Robert William Frederick Harrison, to Mr Collings | 17 February 1897 |
| NLB/14/147 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society, Royal Institution | 12 January 1897 |
| NLB/28/478 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 14 March 1904 |
| RR/15/394 | Second referee's report by Hugh Longbourne Callendar, on a paper 'The measurements of temperature. Parts I-III' by Morris William Travers, George Senter and Adrien Jaquerod | 4 July 1902 |
| RR/17/22 | Referee's report by Harold Baily Dixon, on a paper 'On a new Iron carbonyl, and on the action of light and of heat on the Iron carbonyls' by James Dewar and Humphrey Owen Jones | [January 1907] |
| RR/17/366 | Referee's report by James Dewar, on a paper 'Studies of the processes operative in solutions, XI - the displacement of salts from solution by various precipitants' by Henry Edward Armstrong and J V Eyre | 29 July 1909 |
| NLB/22/633 | Copy letter from Robert William Frederick Harrison, to Professor [James] Dewar, Fellow of the Royal Society, Royal Institution, Albemarle Street, W. | 18 June 1901 |
| NLB/15/110 | Copy letter from Arthur William Rucker, to Professor James Dewar, Fellow of the Royal Society | 28 June 1897 |
| NLB/23/1/307 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, [Fellow of the Royal Society] | 23 October 1901 |
| NLB/16/311 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 14 March 1898 |
| NLB/15/874 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 5 January 1898 |
| NLB/18/114 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 17 January 1899 |
| NLB/18/107 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 17 January 1899 |
| NLB/18/115 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 18 January 1899 |
| NLB/22/257 | Copy letter from Robert William Frederick Harrison, to Professor [James] Dewar, Fellow of the Royal Society | 1 April 1901 |
| NLB/20/234 | Copy letter from Robert William Frederick Harrison, to Professor George Carey Foster, Fellow of the Royal Society | 2 March 1900 |
| NLB/20/702 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 19 June 1900 |
| NLB/20/90 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons, 46 St Martin's Lane | 30 January 1900 |
| NLB/20/771 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar and Dr Thomas Edward Thorpe, Fellow of the Royal Society | 6 July 1900 |
| NLB/20/95 | Copy letter from Robert William Frederick Harrison, to Sir Michael Foster, Fellow of the Royal Society | 30 January 1900 |
| NLB/20/700 | Copy letter from Robert William Frederick Harrison, to Dr Thomas Edward Thorpe, Foreign Secretary, Royal Society | 19 June 1900 |
| NLB/22/537 | Copy letter from Robert William Frederick Harrison, to Professor [James] Dewar, Fellow of the Royal Society | 31 May 1901 |
| NLB/21/658 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 4 January 1901 |
| NLB/21/610 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 18 December 1900 |
| NLB/21/709 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 14 January 1901 |
| NLB/22/732 | Copy letter from Robert William Frederick Harrison, to Professor [James] Dewar, [Fellow of the Royal Society] | 8 July 1901 |
| NLB/21/801 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 5 February 1901 |
| NLB/23/2/122 | Copy letter from Arthur William Rucker, to Professor George Downing Liveing, Fellow of the Royal Society and Professor James Dewar, Fellow of the Royal Society | 4 November 1901 |
| NLB/23/2/475 | Copy letter from Joseph Larmor, to Professor James Dewar, Fellow of the Royal Society | 5 May 1904 |
| NLB/25/706 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 12 December 1902 |
| NLB/24/694 | Copy letter from Joseph Larmor, to Professor James Dewar, [Fellow of the Royal Society] | 20 June 1902 |
| NLB/27/497 | Copy letter from Robert William Frederick Harrison, to Professor James Dewar, Fellow of the Royal Society | 9 October 1903 |
| NLB/30/830 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Society | 29 May 1905 |
| NLB/31/124 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Scoeity | 27 June 1905 |
| NLB/31/633 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Society | 23 October 1905 |
| NLB/31/843 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Society | 23 November 1905 |
| NLB/36/818 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Society | 19 December 1907 |
| NLB/38/269 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Society | 8 July 1908 |
| NLB/39/721 | Copy letter from Archibald Geikie to Professor [Ernest] Rutherford | 27 February 1909 |
| NLB/39/128 | Copy letter from Archibald Geikie to Sir J [James] Dewar | 1 December 1908 |
| NLB/39/161 | Copy letter from Archibald Geikie to [James] Dewar | 4 December 1908 |
| NLB/39/145 | Copy letter from Archibald Geikie to Sir James Dewar, Fellow of the Royal Society | 3 December 1908 |
| NLB/41/226 | Copy letter from Joseph Larmor, to Professor Sir James Dewar, Fellow of the Royal Society | 4 November 1909 |
| NLB/54/114 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir James Dewar, FRS | 8 February 1917 |
| NLB/42/120 | Copy letter from Robert William Frederick Harrison to Sir James Dewar FRS | 6 April 1910 |
| MC/28/62 | Letter from [James] Allen Dewar, Royal Institution of Great Britain, to [Robert] Harrison, [Royal Society] | 24 June 1913 |
| MC/27/83 | Letter from James Dewar, Cambridge, 1 Scroope Terrace, Cambridge, to [Robert] Harrison, [Royal Society] | 2 November 1912 |
| NLB/45/669 | Copy letter from Robert William Frederick Harrison to Sir James Dewar FRS | 22 April 1912 |
| MS/929/1/50 | Letter from James Dewar, FRS, to James Mackenzie Davidson | 5 March 1908 |
| NLB/47/840 | Copy letter from Robert William Frederick Harrison to Sir James Dewar FRS | 19 April 1913 |
| NLB/48/231 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Society | 2 June 1913 |
| NLB/53/583 | Copy letter from [Dr.] Arthur Schuster, Secretary of the Royal Society and FRS; to Sir James Dewar, FRS | 02 November 1916 |
| NLB/54/621 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir James Dewar, FRS | 6 July 1917 |
| NLB/54/599 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to K. B. C. Bennett Esquire | 2 July 1917 |
| NLB/54/689 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir James Dewar, FRS | 8 August 1917 |
| MS/929/1/52 | Letter from James Dewar, FRS, to James Mackenzie Davidson | 20 May 1918 |
| RR/9/75 | Letter from James Dewar, on a paper 'On melting point' by Edmund James Mills to the Secretary of the Royal Society | 22 February 1882 |
| NLB/54/894 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir James Dewar, FRS | 30 October 1917 |
| MS/929/1/51 | Letter from James Dewar, FRS, to James Mackenzie Davidson | 2 November 1910 |
| RR/9/389 | Referee's report by James Dewar, on a paper 'On the vapour pressures of ether' by William Ramsay and Sydney Young | 14 August 1886 |
| RR/7/324 | Referee's report by John Scott Burdon-Sanderson, on a paper 'On the physiological action of the chinoline and pyridine bases' by John Gray McKendrick and James Dewar | 13 December 1874 |
| RR/10/356 | Referee's report by James Dewar, on a paper 'On the specific heats of gases at constant volume.—Part I. Air, carbon dioxide, and hydrogen' by John Joly | 1 January 1890 |
| RR/7/322 | Referee's report by Thomas Lauder Brunton, on a paper 'On the physiological action of the chinoline and pyridine bases' by John Gray McKendrick and James Dewar | 30 July 1874 |
| RR/8/161 | Referee's report by James Dewar, on a paper 'Researches on the action of organic substances on the ultra-violet rays of the spectrum' by Walter Noel Hartley and Alfred Kirby Huntington | 18 November 1879 |
| RR/9/64 | Referee's report by Arthur Schuster, on a paper 'On the ultraviolet spectra of the elements. Part I - Iron' by George Downing Liveing and James Dewar | 10 July 1882 |
| RR/9/76 | Referee's report by James Dewar, on a paper 'On melting point' by Edmund James Mills | 22 February 1882 |
| RR/9/329 | Referee's report by James Dewar, on a paper 'On the practical measurements of temperature. Experiments made at the Cavendish Laboratory, Cambridge' by Hugh Longbourne Callendar | 17 October 1886 |
| RR/9/241 | Referee's report by James Dewar, on a paper 'On the solubility of salts in water at high temperatures' by William Augustus Tilden and William Ashwell Shenstone | 10 May 1884 |
| RR/8/256 | Referee's report by George Downing Liveing and James Dewar, on a paper 'On the absorption spectra of cobalt salts' by William James Russell | 20 December 1880 |
| RR/9/286 | Referee's report by James Dewar, on a paper 'On the atomic weight of glucinum (Beryllium). Second paper' by T S Humpidge | 27 June 1885 |
| NLB/53/582 | Copy letter from [Dr.] Arthur Schuster, Secretary of the Royal Society and FRS; to The Deputy Master of the Mint | 02 November 1916 |
| RR/10/188 | Referee's report by Arthur Schuster, on a paper 'On the spectrum of the oxy-hydrogen flame' by George Downing Liveing and James Dewar | 6 February 1888 |
| RR/10/187 | Referee's report by William Huggins, on a paper 'On the spectrum of the oxy-hydrogen flame' by George Downing Liveing and James Dewar | 25 January 1888 |
| RR/15/209 | Referee's report by William Crookes, on a paper 'The separation of the least volatile gases of atmospheric air, and their spectra' by George Downing Liveing and James Dewar | 5 July 1901 |
| PP/12/4 | Paper, 'On the compounds of ammonia with selenium dioxide' by Charles A Cameron and John Macallan | 1888 |
| NLB/67/916 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to unknown correspondent | 8 April 1925 |
| NLB/64/401 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Charles [Scott] Sherrington, President of the Royal Society | 28 March 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/65/892 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong | 24 January 1924 |
| CD/32 | Documents on Sir James Dewar's alleged statements, for the consideration of Council of the Royal Society | 1917 |
| MS/427/322 | Copy letter from Walter White, Assistant Secretary of the Royal Society; to the Secretary of the Royal Society of Edinburgh | 10 December 1883 |
| NLB/68/325 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Henry Edward] Armstrong, FRS | 18 June 1925 |
| NLB/2/199 | Copy letter from Herbert Rix, to Messrs West, Newman & Company | 24 February 1888 |
| NLB/3/383 | Copy letter from an unknown correspondent, to Mr Collings, 172 Strand | 28 May 1889 |
| NLB/6/509 | Copy letter from Herbert Rix, to Professor Michael Foster | 26 May 1892 |
| NLB/11/132 | Copy letter from Michael Foster, to; Professor James Dewar, Professor William Cawthorne Unwin, Professor Charles Vernon Boys, Reverend Frederick John Smith and Harold Baily Dixon, Fellows of the Royal Society | 26 April 1895 |
| NLB/13/186 | Copy letter from Robert William Frederick Harrison, to Professor John Ambrose Fleming, Fellow of the Royal Society, University College, Gower Street, W.C. | 26 June 1896 |
| RR/15/57 | Referee's report by James Dewar, on a paper 'An investigation of the spectra of flames resulting from operations in the open hearth and 'basic' bessemer processes' by Walter Noel Hartley and Hugh Ramage | 5 January 1901 |
| NLB/14/430 | Copy letter from Arthur William Rucker, to Professor [James] Dewar, [Fellow of the Royal Society] | 10 March 1897 |
| NLB/20/694 | Copy letter from Robert William Frederick Harrison, to the Under Secretary of State for Foreign Affairs | 19 June 1900 |
| NLB/22/804 | Copy letter from Robert William Frederick Harrison, to Professor [James] Dewar, Fellow of the Royal Society | 19 July 1901 |
| NLB/22/822 | Copy letter from Robert William Frederick Harrison, to Professor [James] Dewar, Fellow of the Royal Society | 25 July 1901 |
| RR/9/73 | Referee's report by James Dewar, on a paper 'Researches on chemical equivalence. Part IV and V' by Edmund James Mills | 1 January 1882 |
| RR/16/296 | Referee's report by Thomas Edward Thorpe, on a paper 'The physical and chemical properties of iron carbonyl' by Sir James Dewar and Humphrey Owen Jones | November 1905 |
| NLB/69/285 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lady Dewar, Cavendish Square, W.1 | 22 February 1926 |
| CD/32/1 | Letter from Sir Joseph John Thomson, President of the Royal Society, to Sir James Dewar | 23 June [1917] |
| NLB/10/702 | Copy letter from Herbert Rix, to Professor Michael Foster | 22 January 1895 |
| PP/12/13 | Paper, 'Investigations on the spectrum of magnesium. No II' by George Downing Liveing and James Dewar | 1888 |
| MC/11/78 | Letter from James Dewar, Brookside, Cambridge, to Walter White, [Assistant Secretary of the Royal Society] | 11 June 1877 |
| MC/11 | Volume 11 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1877-1879 |
| MC/12/9 | Letter from G D [George Downing] Liveing, Royal Institution, to [George Gabriel] Stokes, [Secretary of the Royal Society] | 22 January 1880 |
| MC/12/47 | Letter from T H [Thomas Henry] Huxley, Secretary of the Royal Society, Burlington House, London, to Professor [George Downing] Liveing and Professor [James] Dewar | 21 May 1880 |
| MC/12 | Volume 12 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1880-1883 |
| RR/10/189 | Referee's report by William Huggins, on a paper 'On the ultra-violet spectra of the elements.–Part III. Cobalt and nickel' by George Downing Liveing and James Dewar | 8 March 1888 |
| PP/1/22 | Paper, 'Manometric observations in the electric arc' by [James] Dewar | [1882] |
| PP/1/24 | Paper, 'On the spectrum of water, No. II' by G D [George Downing] Liveing and J [James] Dewar | [1881-1882] |
| PP/1/36 | Paper, 'On the disappearance of some spectral lines and the variations of metallic spectra due to mixed vapours' by G D [George Downing] Liveing and J [James] Dewar | 1882 |
| PP/1/36/2 | Diagrams, spectral lines by G D [George Downing] Liveing and J [James] Dewar | 1882 |
| PP/2/16 | Paper, 'On an arrangement of the electric arc for the study of the radiation of vapours' by [George Downing] Liveing and [James] Dewar | 1882 |
| PP/2/16/1 | Manuscript, 'On an arrangement of the electric arc for the study of the radiation of vapours' by [George Downing] Liveing and [James] Dewar | 1882 |
| PP/2/39 | Paper, 'On the origin of the hydro-carbon flame spectrum' by [George Downing] Liveing and [James] Dewar | 1882 |
| PP/2/15 | Paper, 'On the critical point of mixed gases' by Gerrard Ansdell | 1882 |
| PP/2/17/1 | Manuscript, 'General observations on the spectra of carbon and its compounds' by [George Downing] Liveing and [James] Dewar | 1882 |
| PP/2/17/2 | Diagram, portion of the cyanogen spectrum by [George Downing] Liveing and [James] Dewar | 1882 |
| PP/2/16/2 | Figure, experimental apparatus by [George Downing] Liveing and [James] Dewar | 1882 |
| PP/3/12 | Paper, 'Note on the order of reversability of the lithium lines' by [George Downing] Liveing and [James] Dewar | 1883 |
| PP/3/11/2 | Diagram, experimental observation by [George Downing] Liveing and [James] Dewar | 1883 |
| PP/4/43 | Paper, 'Spectroscopic studies on gaseous explosions' by G D [George Downing] Liveing and James Dewar | 1884 |
| PP/9/15 | Paper, 'Note on a new form of direct vision spectroscope' by George Downing Liveing and James Dewar | 1886 |
| PP/9/15/1 | Manuscript, 'Note on a new form of direct vision spectroscope' by George Downing Liveing and James Dewar | 1886 |
| PP/9/15/2 | Diagram, geometrical diagram by George Downing Liveing and James Dewar | 1886 |
| PP/10/35 | Paper, 'On phosphonium chloride' by Sidney Skinner | 1887 |
| PP/14/18 | Paper, 'Notes on the absorption-spectra of oxygen and some of its compounds' by G D [George Downing] Liveing and J [James] Dewar | 1889 |
| PP/14/12 | Paper, 'On the limit of solar and stellar light in the ultra-violet part of the spectrum' by William Huggins | 1889 |
| PP/16/32 | Paper, 'The spectroscopic properties of dust' by G D [George Downing] Liveing and J [James] Dewar | 1890 |
| PP/16/32/1 | Manuscript, 'The spectroscopic properties of dust' by G D [George Downing] Liveing and J [James] Dewar | 1890 |
| PP/16/32/2 | Diagram, experimental equipment by G D [George Downing] Liveing and J [James] Dewar | 1890 |
| PP/17/15 | Paper, 'On the influence of pressure on the spectra of flames' by G D [George Downing] Liveing and J [James] Dewar | 1891 |
| PP/20/11 | Paper, 'Note on the spectra of the flames of some metallic compounds' by George Downing Liveing and James Dewar | 1892 |
| PP/1/2 | Paper, 'Note on the reversal of the spectrum of cyanogen' by G D [George Downing] Liveing and [James] Dewar | 1881 |
| PP/3/6 | Paper, 'On the atomic weight of manganese' by James Dewar and Alexander Scott | 1883 |
| PP/3/10 | Paper, 'Notes on the absorption of ultra violet rays by various substances' by [George Downing] Liveing and [James] Dewar | 1883 |
| PP/3/32 | Paper, 'On the molecular weights of the substituted ammonias. No. I. Triethylamine' by James Dewar and Alexander Scott | 1883 |
| PP/3/11 | Paper, 'Note on the reversal of hydrogen lines; and on the outburst of hydrogen lines when water is dropped into the arc' by [George Downing] Liveing and [James] Dewar | 1883 |
| RR/7/323 | Referee's report by George Harley, on a paper 'On the physiological action of the chinoline and pyridine bases' by John Gray McKendrick and James Dewar | 9 October 1874 |
| RR/10/190 | Referee's report by Arthur Schuster, on a paper 'On the ultra-violet spectra of the elements.–Part III. Cobalt and nickel' by George Downing Liveing and James Dewar | 14 March 1888 |
| PP/2/17 | Paper, 'General observations on the spectra of carbon and its compounds' by [George Downing] Liveing and [James] Dewar | 1882 |
| PP/1/36/1 | Manuscript, 'On the disappearance of some spectral lines and the variations of metallic spectra due to mixed vapours' by G D [George Downing] Liveing and J [James] Dewar | 1882 |
| PP/3/11/1 | Manuscript, 'Note on the reversal of hydrogen lines; and on the outburst of hydrogen lines when water is dropped into the arc' by [George Downing] Liveing and [James] Dewar | 1883 |
| MC/16/321 | Letter from [John Ambrose] Fleming, University College, London, Gower Street, to Lord Rayleigh [John William Strutt], Secretary of the Royal Society | 12 June 1896 |
| MC/16 | Volume 16 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1893-1896 |
| MC/23/125 | Letter from James Dewar, Royal Institution of Great Britain, to [Robert] Harrison, [Royal Society] | 13 February 1908 |
| MC/19/365 | Letter from [Robert Abbott] Hadfield, Managing Director of Hadfield's Steel Foundry Company Limited, Norfolk House, Laurence Pountney Hill, London, to Sir James Dewar, Royal Institution, London | 29 November 1904 |
| MC/19/366 | Letter from [Robert Abbott] Hadfield, Managing Director of Hadfield's Steel Foundry Company Limited, Hecla Works, Sheffield, to the Secretary of the Royal Society, Burlington House, London | 22 December 1904 |
| MC/26/63 | Letter from James Dewar, Royal Institution of Great Britain, to [Joseph] Larmor, [Royal Society] | 4 April 1911 |
| NLB/46/774 | Copy letter from Robert William Frederick Harrison, to Sir James Dewar, Fellow of the Royal Society | 1 November 1912 |
| MC/19 | Volume 19 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1904 |
| MC/31/40 | Letter from James Dewar, Royal Institution of Great Britain, to The Secretaries of The Royal Society | 30 November 1916 |
| MC/31/39 | Letter from James Dewar, Royal Institution of Great Britain, to The Secretaries of The Royal Society | 8 November 1916 |
| MC/12/43 | Letter from G D [George Downing] Liveing and James Dewar, Cambridge, to Professor [Thomas Henry] Huxley, [Secretary of the Royal Society] | 9 May 1880 |
| MC/22/60 | Letter from James Dendy, Royal Institution of Great Britain, to [Robert William Frederick] Harrison | 10 December 1907 |
| MC/32/76 | Letter from James Dewar, Royal Institution of Great Britain, to [Robert] Harrison, [Royal Society] | 27 October 1917 |
| MS/743/1/154 | Letter from James Dewar, Royal Institution of Great Britain, to [John Hall] Gladstone | 26 June 1897 |
| MC/32/75 | Letter from James Dewar, Royal Institution of Great Britain, to [Robert] Harrison, [Royal Society] | 12 February 1917 |
| NLB/54/885 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir James Dewar, FRS | 29 October 1917 |
| MC/22 | Volume 22 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1907 |
| MC/21 | Volume 21 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1906 |
| MC/21/152 | Letter from James Dewar, Royal Institution of Great Britain, to [Robert William Frederick] Harrison, [Royal [Society] | 19 March 1906 |
| MC/21/153 | Letter from James Dewar, Royal Institution of Great Britain, to [Robert] Harrison, [Royal Society] | 14 June 1906 |
| MC/23 | Volume 23 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1908 |
| ACS/1/1/134 | Letter from James Dewar, Royal Institution of Great Britain, to [Alan Archibald Campbell] Swinton | 1 December 1897 |
| ACS/1/1/135 | Letter from James Dewar, Royal Institution of Great Britain, to [Alan Archibald Campbell] Swinton | 1896 |
| ACS/1/1/136 | Letter from James Dewar, Royal Institution of Great Britain, to [Alan Archibald Campbell] Swinton | 18 April 1899 |
| ACS/1/1/137 | Letter from James Dewar, Royal Institution of Great Britain, to [Alan Archibald] Campbell Swinton | 22 March 1915 |