| RefNo | Title | Date |
| EC/1907/06 | Bragg, Sir William Henry: certificate of election to the Royal Society | |
| EC/1907/05 | Bragg, Sir William Henry: certificate of election to the Royal Society | |
| MS/928/6/3/8 | Letter from William Henry Bragg, Watlands, Chiddingfold, Surrey, to Andrew Russell Forsyth | 7 August [1935] |
| NLB/66/32 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 12 February 1924 |
| MDA/A/10 | Correspondence of William Henry Bragg | 1939-1941 |
| MDA/A/11 | Correspondence relating to the death and memorial service of William Henry Bragg | 1942 |
| NLB/69/711 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to William [Henry] Bragg, K. B. E., FRS | 3 September 1926 |
| MDA/A/23/2 | Copy letter from William Henry Bragg, to Sir Henry Thomas Tizard, 4 Winchester Road, Oxford | 24 October 1940 |
| NLB/48/264 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 6 June 1913 |
| MDA/A/22/66 | Letter from Thomas Holland to William Bragg, University of Edinburgh | 12 September 1939 |
| MDA/A/22/67 | Copy letter from William Bragg to Thomas Holland | 13 September 1939 |
| MDA/A/22/68 | Letter from Thomas Holland to William Bragg, University of Edinburgh | 16 September 1939 |
| MDA/A/22/74 | Copy letter from Albert C Seward to William Bragg, with copy of 'The Schedule of reserved occupations and the Defence Service' by Albert C Seward | 10 November 1939 |
| MDA/A/22/69 | Copy letter from John David Griffith Davies [Assistant Secretary of Royal Society] to William Bragg, with attached draft statement | 28 September 1939 |
| P/0013 | Portrait of Bragg, Sir William Henry | 1941 |
| NLB/39/217 | Copy letter from Robert William Frederick Harrison to Harrison & Sons | 12 December 1908 |
| NLB/41/748 | Copy letter from Robert William Frederick Harrison, to Professor William Henry Bragg, Fellow of the Royal Society | 19 February 1910 |
| NLB/41/681 | Copy letter from Robert William Frederick Harrison, to Professor William Henry Bragg, Fellow of the Royal Society | 3 February 1910 |
| NLB/42/235 | Copy letter from Robert William Frederick Harrison to Professor W [William] H [Henry] Bragg FRS | 29 April 1910 |
| NLB/48/631 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 14 August 1913 |
| NLB/43/590 | Copy letter from Robert William Frederick Harrison, to Professor William Henry Bragg, Fellow of the Royal Society | 18 February 1911 |
| NLB/43/568 | Copy letter from Robert William Frederick Harrison, to Professor William Henry Bragg, Fellow of the Royal Society | 13 February 1911 |
| NLB/47/714 | Copy letter from Robert William Frederick Harrison to Professor W [William] H [Henry] Bragg FRS | 31 March 1913 |
| NLB/48/369 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 23 June 1913 |
| NLB/47/9 | Copy letter from Robert William Frederick Harrison to Professor W [William] H [Henry] Bragg FRS | 13 November 1912 |
| NLB/48/165 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 27 May 1913 |
| NLB/48/618 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 9 August 1913 |
| NLB/48/213 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 30 May 1913 |
| NLB/48/315 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 13 June 1913 |
| NLB/59/187 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 23 July 1920 |
| NLB/48/596 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 1 August 1913 |
| NLB/48/574 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 28 July 1913 |
| NLB/51/408 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor William Henry Bragg FRS | 13 March 1915 |
| NLB/50/399 | Copy letter from Robert William Frederick Harrison, to Professor [William Henry] Bragg, Fellow of the Royal Society | 3 July 1914 |
| NLB/51/437 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society To Professor William Henry Bragg FRS | 19 March 1915 |
| NLB/51/705 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor William Henry Bragg FRS | 31 May 1915 |
| RR/20/12 | Referee's report by William Henry Bragg, on a paper 'The energy of röntgen rays' by R T Beatty | June 1913 |
| NLB/52/273 | Copy letter from Arthur Schuster, Secretary of the Royal Society; to Sir William Henry Bragg, FRS | 1 November 1915 |
| RR/19/69 | Referee's report by William Henry Bragg, on a paper 'On the emission velocities of photo-electrons' by A Ll Hughes | [June 1912] |
| RR/19/25 | Referee's report by William Henry Bragg, on a paper 'A comparison of the spectra of fluorescent Röntgen radiations' by J Crosby Chapman | [November 1912] |
| RR/22/25 | Referee's report by Charles Herbert Lees, on a paper 'X-rays and crystal structure' by William Henry Bragg | 1915 |
| NLB/54/605 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Messrs Harrison & Sons | 29 June 1917 |
| RR/18/190 | Referee's report by William Henry Bragg, on a paper 'The production and properties of soft Röntgen radiation' by R Whiddington | February 1911 |
| NLB/54/135 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Professor [William Henry] Bragg, FRS | 8 February 1916 |
| RR/26/120 | Referee's report by William Henry Bragg, on a paper 'On the Whispering-Gallery phenomenon' by Chandrasekhara Venkata Raman and G A Sutherland | [October 1921] |
| RR/24/95 | Referee's report by William Henry Bragg, on a paper 'X-ray analysis of the crystal-structure of rutile and cassiterite' by C M Williams | [April 1917] |
| NLB/61/1 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 26 April 1921 |
| RR/27/114 | Referee's report by William Henry Bragg, on a paper 'On the excitation of characteristic X-rays from light elements' by John Cunningham McLennan and M L Clark | September 1922 |
| NLB/53/584 | Copy letter from [Dr.] Arthur Schuster, Secretary of the Royal Society and FRS; to Professor [William Henry] Bragg, FRS | 02 November 1916 |
| NLB/56/352 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [William Henry] Bragg, FRS | 18 January 1919 |
| RR/22/24 | Referee's report by Arthur Schuster, on a paper 'X-rays and crystal structure' by William Henry Bragg | 1915 |
| NLB/56/627 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [William Henry] Bragg, FRS | 1 April 1919 |
| NLB/56/498 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Provost of University College | 25 February 1919 |
| RR/33/20 | Second referee's report by William Henry Bragg, on a paper 'An investigation of the rate of growth of crystals in different directions' by Marie Bentivoglio | |
| NLB/56/786 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [William Henry] Bragg, FRS | 23 May 1919 |
| 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/33/19 | Referee's report by William Henry Bragg, on a paper 'An investigation of the rate of growth of crystals in different directions' by Marie Bentivoglio | July 1926 |
| RR/33/66 | Referee's report by William Henry Bragg, on a paper 'Change of crystal structure of some salts when crystallised from silicic acid gel—the structure of silicic acid gel' by H A Fells and J B Firth | July 1926 |
| RR/36/27 | Referee's report by William Henry Bragg, on a paper 'On the reflexion of sound from a porous surface' by E T Paris | [April 1927] |
| RR/40/73 | Referee's report by William Henry Bragg, on a paper 'The excitation of soft X-Rays from some polycrystalline metal surfaces' by Owen Willans Richardson and S. Ramachandra Rao | April 1930 |
| NLB/59/902 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 27 November 1920 |
| RR/44/99 | Referee's report by William Henry Bragg, on a paper 'The diffraction of electrons by single crystals' by Geoge Paget Thomson | June 1931 |
| NLB/59/713 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir [William Henry] Bragg, FRS | 5 November 1920 |
| NLB/61/209 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 1 June 1921 |
| RR/20/18 | Referee's report by William Henry Bragg, on a paper 'The fluctuation in the ionisation due to Y Rays' by P W Burbidge | May 1913 |
| 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/59/79 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 15 July 1920 |
| IM/000521 | Bragg, Sir William Henry | 1922 |
| RR/40/71 | Referee's report by William Henry Bragg, on a paper 'A comparative study of the excitation of soft X-Rays from single crystal surfaces and from Polycrystalline surfaces Graphite and Aluminium' by Owen Willans Richardson and Ursula Andrewes | April 1930 |
| RR/33/58 | Referee's report by William Henry Bragg, on a paper 'The L emission series of mercury' by C E Eddy and A H Turner | February 1926 |
| RR/20/140 | Referee's report by William Henry Bragg, on a paper 'On the recombination of the ions produced by Röntgen rays in gases and vapours' by H Thirkill | April 1913 |
| NLB/59/529 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 13 October 1920 |
| NLB/59/840 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 19 November 1920 |
| RR/21/96 | Referee's report by William Henry Bragg, on a paper 'On the ionization produced by gas reactions' by S J Kalandyk | [August 1914] |
| RR/49/21 | Referee's report by William Henry Bragg, on a paper 'On two variations of the powder method of x-ray analysis of crystals' by J P Blewett | [October 1933] |
| NLB/61/210 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 2 June 1921 |
| NLB/57/697 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to unknown correspondent | 17 January 1920 |
| RR/50/113 | Referee's report by William Henry Bragg, on a paper 'Supersonic dispersion in gases' by E G Richardson | February 1934 |
| NLB/61/125 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 17 May 1921 |
| NLB/64/513 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, FRS | 30 April 1923 |
| NLB/61/221 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 2 June 1921 |
| NLB/62/317 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 20 January 1922 |
| NLB/57/693 | Copy letter from Sir William Bate Hardy, FRS, Secretary of the Royal Society; Professor [Sir] WH [William Henry] Bragg, FRS | 16 January 1920 |
| NLB/66/383 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, FRS. | 29 April 1924 |
| NLB/61/455 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 8 July 1921 |
| NLB/63/641 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, K.B.E., FRS | 23 November 1922 |
| NLB/67/247 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, KBE, FRS | 21 November 1924 |
| NLB/61/128 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 18 May 1921 |
| NLB/63/363 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, FRS | 02 October 1922 |
| RR/55/73 | Referee's report by William Henry Bragg, on a paper 'The crystal structure of ice at low temperatures' by E F Burton and W F Oliver | July 1935 |
| RR/52/70 | Referee's report by William Henry Bragg, on a paper 'Physical properties of surfaces I - Kinetic friction' by Frank Philip Bowden and W G Beare | August 1934 |
| NLB/61/723 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [William Henry] Bragg, FRS | 17 October 1921 |
| RR/68/16 | Memoranda, on a paper 'The diffuse spots in X-ray crystal photographs' by William Henry Bragg | 10 July 1941 |
| NLB/57/792 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor WH [William Henry] Bragg, FRS, CBE | 6 February 1920 |
| NLB/62/660 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 31 March 1922 |
| NLB/63/745 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, K.B.E., FRS | 08 December 1922 |
| NLB/64/538 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 03 May 1923 |
| NLB/63/42 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, FRS | 16 June 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 |
| RR/40/66 | Referee's report by William Henry Bragg, on a paper 'The emission of secondary electrons and the excitation of soft X-rays' by Owen Willans Richardson | April 1930 |
| 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 |
| RR/66/55 | Referee's report by William Henry Bragg, on a paper 'Infra-red absorption spectrum of tetra-deuteroethylene' by G K T Conn and Gordon Brims Black Mcivor Sutherland | [March 1939] |
| NLB/64/86 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 30 January 1923 |
| NLB/57/394 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor WH [William Henry] Bragg, FRS [Knight Physicist] | 30 October 1919 |
| NLB/57/861 | Copy letter from Edwin Deller, Acting Assistant Secretary of the Royal Society; to Professor WH [Sir William Henry] Bragg, FRS, OBE | 25 February 1920 |
| NLB/57/895 | Copy letter from Edwin Deller, Acting Assistant Secretary of the Royal Society; to Professor Herbert McLeod, FRS | 28 February 1920 |
| NLB/63/434 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Sir William [Henry] Bragg, FRS | 13 October 1922 |
| NLB/63/591 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, FRS | 10 November 1922 |
| RR/68/104 | Letter from William Henry Bragg, to Winckworth, regarding a paper 'The fine structure of collenchyma cells in Heracleum Sphondylium L' by G P Majumdar and Reginald Dawson Preston | 17 June 1941 |
| RR/68/210 | Referee's report by William Henry Bragg, on a paper 'Imperfections in the structure of cobalt II. Mathematical treatment of proposed structure' by A J C Wilson | [1941] |
| RR/68/35 | Referee's report by William Henry Bragg, on a paper 'The structure of polychloroprene' by C J Birkett Clews | [1941] |
| NLB/63/709 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, FRS | 04 December 1922 |
| NLB/66/243 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, FRS | 24 March 1924 |
| NLB/68/200 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 28 May 1925 |
| NLB/65/294 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to The Lord Rayleigh [Robert John Strutt], FRS | 8 October 1923 |
| RR/39/61 | Referee's report by William Henry Bragg, on a paper 'Measurement of absorbing power of materials by the stationary wave method' by A H Davis and E J Evans | [January 1930] |
| NLB/65/902 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 25 January 1924 |
| 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/65/622 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS | 30 November 1923 |
| RR/30/67 | Referee's report by William Henry Bragg, on a paper 'The analysis of the absorption spectrum of naphthalene vapour.—Structure and activation of the molecule of naphthalene' by Victor Henri and Henry de Làszlò | [April 1924] |
| RR/31/11 | Referee's report by William Henry Bragg, on a paper 'Note on the expansion of water while freezing' by A P Lawrie | [June 1924] |
| NLB/65/130 | Copy letter from [James Hopwood Jeans, Secretary of the Royal Society]; to Sir William [Henry?] Bragg, FRS | 7 August 1923 |
| NLB/65/439 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 1 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/65/625 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 30 November 1923 |
| NLB/64/823 | Copy letter from William Bate Hardy, Secretary of the Royal Society; [Robert John Strutt] Lord Rayleigh | 26 June 1923 |
| NLB/65/394 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Honourable Sir Charles [Algernon] Parsons, KCB, FRS; also sent to Professor [Charles Glover] Barkla, Professor [Arthur Stanley] Eddington, Sir [William Henry] Bragg, Professor [Thomas Ralph] Merton, Professor [Jocelyn Field] Thorpe, Sir [Frederick William] Andrewes, Professor [Edwin Stephen] Goodrich, Sir [Thomas Henry] Holland and Sir [Frederick William] Keeble. | 25 October 1923 |
| NLB/67/40 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, KBE, FRS | 8 October 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/65/583 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 23 November 1923 |
| NLB/66/683 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William Bragg, FRS | 19 June 1924 |
| NLB/67/547 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 20 January 1925 |
| RR/40/72 | Referee's report by William Henry Bragg, on a paper 'The excitation of soft X-rays from a single crystal face of nickel' by Owen Willans Richardson and S. Ramachandra Rao | April 1930 |
| NLB/57/897 | Copy letter from Edwin Deller, Acting Assistant Secretary of the Royal Society; to Professor WW [William Whitehead] Watts, FRS | 28 February 1920 |
| NLB/66/410 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 3 May 1924 |
| NLB/66/347 | Copy letter from [Francis Alexander Towle, Assistant Secretary of] the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 12 April 1924 |
| NLB/68/43 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, KBE, FRS | 4 May 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/66/710 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 24 June 1924 |
| NLB/68/233 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Bragg, FRS | 3 June 1925 |
| NLB/68/334 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the General Secretary of the International Union of Physics; 45 Rue d'Ulm, Paris | 20 June 1925 |
| NLB/68/337 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS | 20 June 1925 |
| NLB/68/335 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Sydney] Chapman, FRS | 20 June 1925 |
| NLB/66/654 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E, FRS | 13 June 1924 |
| NLB/71/689 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E., FRS | 3 October 1928 |
| NLB/69/616 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E., FRS | 25 June 1926 |
| NLB/71/379 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs G. Bell and Sons, Ltd., York House, Portugal Street, WC2 | 26 April 1928 |
| NLB/69/580 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Willliam Bragg, FRS | 11 June 1926 |
| NLB/69/613 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry?] Bragg, K.B.E, FRS | 22 June 1926 |
| NLB/69/645 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E., FRS | 9 July 1926 |
| NLB/71/290 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E., FRS | 19 March 1928 |
| NLB/71/138 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E., FRS | 20 January 1928 |
| NLB/71/326 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E, FRS | 31 March 1928 |
| NLB/73/109 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E., FRS | 10 December 1930 |
| 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/63 | New Letter Book volume 63, copy letters sent from Royal Society administration | 10 June 1922-19 January 1923 |
| IM/000522 | Bragg, Sir William Henry | nd |
| IM/Maull/000520 | Bragg, Sir William Henry | nd |
| RR/27/62 | Referee's report by William Henry Bragg, on a paper 'Boundary lubrication - The paraffin series' by William Bate Hardy and Ida Doubleday | January 1922 |
| NLB/56 | New Letter Book volume 56, copy letters sent from Royal Society administration | 1 November 1918-27 June 1919 |
| NLB/48 | New Letter Book volume 48, copy letters sent from Royal Society administration | 25 April 1913-25 October 1913 |
| RR/39/70 | Referee's report by William Henry Bragg, on a paper 'Quantitative analysis by X-ray spectroscopy' by C E Eddy and Thomas Howell Laby | [January 1930] |
| RR/21/130 | Referee's report by William Henry Bragg, on a paper 'On the ionisation of gases by collision and the ionising potential for positive ions and negative corpuscles' by W I Pawlow | [May 1914] |
| NLB/61/268 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 13 June 1921 |
| RR/59/30 | Referee's report by William Henry Bragg, on a paper 'The structure of isatin - I' by Ernest Gordon Cox, T H Goodwin and A I Wagstaff | [June 1936] |
| RR/66/317 | Communicator's report by William Henry Bragg, on a paper 'Structure and thermal properties associated with some hydrogen bonds in crystals. III. Further examples of the isotope effect' by Alfred Rene Jean Paul Ubbelohde | 23 September 1939 |
| RR/68/132 | Referee's report by William Henry Bragg, on a paper 'The effect of thermal vibrations on the scattering of X-rays. II' by Kathleen Sarginson | [1941] |
| NLB/57/701 | Copy letter from Sir William Bate Hardy, FRS, Secretary of the Royal Society [?]; to Admiral Sir Henry B [Braderwine] Jackson, FRS, GCB | 20 January 1920 |
| NLB/62/650 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 31 March 1922 |
| RR/45/21 | Referee's report by William Henry Bragg, on a paper 'Crystallography of the simpler quinones' by W A Caspari | nd [January 1932] |
| NLB/71/565 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Henry] Bragg, K.B.E, FRS [also send to Sir Henry Lyons, Sir Charles Sherrington and Sir John Farmer]. | 6 July 1928 |
| NLB/66/168 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 6 March 1924 |
| EC/1907/07 | Bragg, Sir William Henry: certificate of election to the Royal Society | |
| MDA/C/5/1 | Correspondence and papers relating to the Curl Trust | 1938-1952 |
| NLB/61 | New Letter Book volume 61, copy letters sent from Royal Society administration | 26 April 1921-11 November 1921 |
| RR/66/26 | Referee's report by William Henry Bragg, on a paper 'X-Ray crystallography and the chemistry of the steroids. Part I' by John Desmond Bernal, Dorothy Mary Crowfoot Hodgkin and I Fankuchen | [April 1940] |
| 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/64 | New Letter Book volume 64, copy letters sent from Royal Society administration | 19 January 1923-11 July 1923 |
| NLB/57 | New Letter Book volume 57, copy letters sent from Royal Society administration | 27 June 1919-27 February 1920 |
| MDA/A/9 | Correspondence of William Henry Bragg | 1935-1940 |
| RR/32/20 | Referee's report by William Henry Bragg, on a paper 'The configuration of the carbon atom' by W Barlow | 13 January 1925 |
| MDA/C/9/9 | Correspondence on the Foulerton Studentship held by Howard William Copland Vines | 1922-1927 |
| MDA/C/9/8 | Correspondence on the Foulerton Professorship held by Ernest Henry Starling | 1922-1928 |
| CD/99/8 | Letter from William Henry Bragg, Rosehurst, Grosvenor Road, Leeds, to [Robert] Harrison | 3 August 1912 |
| MS/603/1/126 | Letter from W H [William Henry] Bragg, A.S.D., Admiralty, to Sir J [Joseph] Larmor, St. John's College, Cambridge | 13 August 1918 |
| MS/603/1/129 | Letter from W H [William Henry] Bragg, Rosehurst, Grosvenor Road, Leeds, to [Joseph] Larmor | 10 January n.y. |
| MS/603/1/131 | Letter from W H [William Henry] Bragg, Great Northern Hotel, King's Cross Station, London, to [Joseph] Larmor | n.d. [1922?] |
| MS/603/1/132 | Letter from W H [William Henry] Bragg, Sea Cot, Bigbury on Sea, South Devon, to [Joseph] Larmor | 15 August [1922?] |
| RR/68/121 | Second letter from William Henry Bragg, to Alfred Charles Glyn Egerton, regarding three papers, 'Extra reflexions from the two types of diamond' by Kathleen Yardley Lonsdale, 'Reflexion and scattering of X-rays with change of frequency, I. Theoretical' and 'Reflexion and scattering of X-rays with change of frequency - II. Experimental' by Chandrasekhara Venkata Raman | 17 October 1941 |
| RR/25/46 | Referee's report by William Henry Bragg, on a paper 'On the velocities of two distinct groups of secondary corpuscular rays produced by a homogeneous Rontgen radiation, and their absorption coefficients in various gases' by Lewis Simons | 4 January 1919 |
| RR/26/37 | Referee's report by William Henry Bragg, on a paper 'The atomic process in ferromagnetic Induction' by James Alfred Ewing | [May 1921] |
| RR/26/74 | Referee's report by William Henry Bragg, on a paper 'On electro-crystalline properties as conditioned by atomic lattices' by Joseph Larmor | [February 1921] |
| RR/32/21 | Second referee's report by William Henry Bragg, on a paper 'The configuration of the carbon atom' by W Barlow | 3 May 1925 |
| RR/45/42 | Referee's report by William Henry Bragg, on a paper 'On the reflection and refraction of X-Rays by perfect crystals' by G W Brindley | nd [January 1933] |
| RR/54/54 | Referee's report by William Henry Bragg, on a paper 'The formation and constitution of crystals of lead salts containing water-soluble colloid' by F D Miles | June 1935 |
| RR/68/120 | Letter from William Henry Bragg, to Alfred Charles Glyn Egerton, regarding two papers 'Reflexion and scattering of X-rays with change of frequency, I. Theoretical' and 'Reflexion and scattering of X-rays with change of frequency - II. Experimental' by Chandrasekhara Venkata Raman | 24 September 1941 |
| RR/68/122 | Letter from Kathleen Yardley Lonsdale, to William Henry Bragg, regarding three papers, 'Extra reflexions from the two types of diamond' by Kathleen Yardley Lonsdale, 'Reflexion and scattering of X-rays with change of frequency, I. Theoretical' and 'Reflexion and scattering of X-rays with change of frequency - II. Experimental' by Chandrasekhara Venkata Raman | 18 September 1941 |
| RR/47/127 | Referee's report by William Henry Bragg, on a paper 'The geometry of the siliceous skeletons of the radiolaria' by D'Arcy Wentworth Thompson | May 1932 |
| MS/603/1/130 | Letter from W H [William Henry] Bragg, Rosehurst, Grosvenor Road, Leeds, to [Joseph] Larmor | 30 December n.y. |