| Reference number | Title | Date |
| PB/1/19 | Correspondence re academic posts in Cambridge | 1953-1966 |
| PB/1/33/1/2 | Nobel Prize | 1948 |
| PB/9/1/25 | Correspondence with Sir James Chadwick | 1971 |
| PB/4/11/7/1 | Copy of further memo to Sir James Chadwick from UK scientists protesting against proposed organisation at Harwell (unsigned) | December 1945 |
| PB/4/8/8 | Correspondence with Sir James Chadwick re appointments | 1942 |
| EC/1927/04 | Chadwick, Sir James: certificate of election to the Royal Society | |
| PB/1/33/4/1 | President of the Royal Society | 1965 |
| PB/4/11/7 | Letter from Sir James Chadwick re visits to Russia, and his (duplicated) note on work of Nuclear Physics Sub-committee | c.1945 |
| IM/GA/JGRS/8271 | Chadwick, Sir James | nd |
| MS/850/2/7 | Letter from James Chadwick, George Holt Physics Laboratories, The University of Liverpool to Mr Griffith Davies, Assistant Secretary of the Royal Society, Burlington House, London | 18 December 1941 |
| RR/43/43 | Referee's report by James Chadwick, on a paper 'The half-value period of uranium-Y' by O Gratias and C H Collie | August 1931 |
| RR/44/19 | Referee's report by James Chadwick, on a paper 'The diffraction of electrons in mercury vapour. II' by F L Arnot | 1931 |
| RR/52/22 | Referee's report by James Chadwick, on a paper 'Approximate phases in electron scattering' by F L Arnot and G O Baines | May 1934 |
| RR/52/123 | Referee's report by James Chadwick, on a paper 'Note on a new transition produced by electron impact in helium' by Richard Whiddington and H Priestley | March 1934 |
| RR/38/121 | Referee's report by James Chadwick, on a paper 'The emission of secondary electrons and the excitation of soft X-rays' by Owen Willans Richardson | May 1928 |
| RR/35/59 | Referee's report by James Chadwick, on a paper 'The mobility of the actinium a recoil atom measured by the cloud method' by Philip Ivor Dee | August 1927 |
| RR/47/70 | Referee's report by James Chadwick, on a paper 'The parent of protactinium' by O A Gratias and C H Collie | October 1932 |
| RR/61/75 | Referee's report by James Chadwick, on a paper 'The production of gamma-rays by neutrons' by E H S Burhop, R D Hill and A A Townsend | January 1938 |
| RR/55/87 | Referee's report by James Chadwick, on a paper 'The scattering of fast ß-particles by electrons' by F C Champion | July 1935 |
| RR/41/42 | Referee's report by Charles Thomson Rees Wilson, on a paper 'The scattering of a-particles in helium' by James Chadwick | April 1930 |
| RR/40/6 | Second referee's report by James Chadwick, on a paper 'Secondary electronic emissions from metal foils and animal tissues' by William Valentine Mayneord | September 1930 |
| RR/46/67 | Referee's report by James Chadwick, on a paper 'Mobility of alkali ions in gases' by Cecil Frank Powell and Luang Brata | [June 1932] |
| RR/44/114 | Referee's report by James Chadwick, on a paper 'Mobility of positive alkali ions in argon, neon and helium' by Arthur Mannering Tyndall and Cecil Frank Powell | December 1931 |
| RR/58/24 | Referee's report by James Chadwick, on a paper 'Studies of cosmic-ray showers by quintuple coincidences' by Hu Chien Shan | August 1936 |
| RR/52/124 | Referee's report by James Chadwick, on a paper 'Small angle inelastic electron scattering in helium, neon, and argon' by Richard Whiddington and J E Taylor | March 1934 |
| RR/57/79 | Referee's report by James Chadwick, on a paper 'A new process of negative ion formation - II' by F L Arnot | [July 1936] |
| RR/44/125 | Referee's report by James Chadwick, on a paper 'Electron scattering in helium at low velocities' by Sven Werner | July 1931 |
| RR/50/122 | Referee's report by James Chadwick, on a paper 'The reflection of X-rays from anthracene crystals' by B Wheeler Robinson | June 1933 |
| RR/50/107 | Referee's report by James Chadwick, on a paper 'Beryllium and helium. I.—The helium contained in beryls of varied geological age' by Robert John Strutt, Lord Rayleigh | July 1933 |
| RR/54/60 | Referee's report by James Chadwick, on a paper 'Neutrons of thermal energies' by Philip Burton Moon and J R Tillman | November 1935 |
| RR/49/94 | Referee's report by James Chadwick, on a paper 'The deposition of sputtered films' by Robert William Ditchburn | [February 1933] |
| RR/60/35 | Referee's report by James Chadwick, on a paper 'The variation of the mobility of gaseous ions with temperature II-caesium and sodium ions in helium' by A F Pearce | February 1936 |
| RR/50/88 | Second referee's report by James Chadwick, on a paper 'Experiments on the protons produced in the artificial disintegration of the nitrogen nucleus' by E C Pollard | April 1933 |
| RR/52/21 | Referee's report by James Chadwick, on a paper 'The scattering of electrons in bromine vapour' by F L Arnot and J C McLauchlan | May 1934 |
| RR/61/51 | Referee's report by James Chadwick, on a paper 'The production of neutrons by bombardment of beryllium with alpha-particles' by T Bjerge | September 1937 |
| RR/55/13 | Referee's report by James Chadwick, on a paper 'Elastic and unilastic cross sections of the mercury atom' by F L Arnot and G O Baines | March 1935 |
| RR/56/89 | Referee's report by James Chadwick, on a paper 'The disintegration of boron' by D Roaf | [September 1935] |
| RR/65/81 | Referee's report by James Chadwick, on a paper 'Uranium Z and the problem of nuclear isomerism' by N Feather and E Bretscher | February 1938 |
| RR/59/27 | Referee's report by James Chadwick, on a paper 'The passage of neutrons through matter' by C H Collie and J H E Griffiths | [March 1936] |
| RR/61/54 | Referee's report by James Chadwick, on a paper 'The nature of the penetrating coponent of cosmic rays' by Patrick Maynard Stuart Blackett | January 1938 |
| RR/65/281 | Referee's report by James Chadwick, on a paper 'The energy loss of penetrating cosmic-ray particles in copper' by J G Wilson | February 1938 |
| RR/60/59 | Referee's report by James Chadwick, on a paper 'Note on the reported radioactivity of A38' by D Roaf | 23 November 1936 |
| RR/57/5 | Referee's report by James Chadwick, on a paper 'The secondary cathode rays expelled from metals by molybdenum Ka radiations' by Harold Roper Robinson and C J B Clews | [March 1935] |
| RR/57/78 | Referee's report by James Chadwick, on a paper 'A new process of negative ion formation III - The energy distribution of the negative ions and accommodation coefficients of the positive ions' by F L Arnot | [July 1936] |
| RR/65/110 | Referee's report by James Chadwick, on a paper 'The absorption of neutrons of medium energy' by J H E Griffiths | December 1938 |
| RR/57/101 | Referee's report by James Chadwick, on a paper 'The stopping-power of mica for a-particles' by W E Bennett | [February 1936] |
| RR/57/77 | Referee's report by James Chadwick, on a paper 'A new process of negative ion formation' by F L Arnot and J C Milligan | [April 1936] |
| RR/59/55 | Referee's report by James Chadwick, on a paper 'The anomalous scattering of protons in light elements' by E G Dymond | [May 1936] |
| RR/65/10 | Referee's report by James Chadwick, on a paper 'A new process of negative-ion formation. IV' by F L Arnot and Clark Beckett | July 1938 |
| RR/65/206 | Referee's report by James Chadwick, on a paper 'The disintegration of boron by slow neutrons' by C O'Ceallaigh and W T Davies | April 1938 |
| RR/63/91 | Referee's report by James Chadwick, on a paper 'Investigation of cosmic-ray showers at 4000 m. above sea-level' by Hu Chien Shan, B B Kisilbasch and D Ketiladge | April 1937 |
| RR/61/78 | Referee's report by Patrick Marnard Stuart Blackett, on a paper 'Measurements of range and angle of projection for the protons produced in the photo-disintegration of deuterium' by James Chadwick, Norman Feather and E Bretscher | September 1937 |
| RR/66/61 | Referee's report by James Chadwick, on a paper 'The excitation of Y-radiation in processes of proton capture' by Samuel Crowe Curran and J E Strothers | [May 1939] |
| RR/65/51 | Referee's report by James Chadwick, on a paper 'The scattering of fast ß-particles by mercury nuclei' by F C Champion and A Barber | June 1938 |
| RR/65/52 | Second referee's report by James Chadwick, on a paper 'The scattering of fast ß-particles by mercury nuclei' by F C Champion and A Barber | 20 July 1938 |
| RR/65/66 | Referee's report by James Chadwick, on a paper 'The excitation of ?-radiation in processes of proton capture by light elements' by Samuel Crowe Curran, Philip Ivor Dee and V Petržílka | October 1938 |
| RR/66/36 | Referee's report by James Chadwick, on a paper 'Experiments on the transmutation of fluorine by deuterons' by J C Bower and William Ernest Burcham | [August 1939] |
| RR/67/151 | Referee's report by James Chadwick, on a paper 'Experiments with a velocity-spectrometer for slow neutrons' by G E F Fertel, D F Gibbs, Philip Burton Moon, George Paget Thomson and C E Wynn-Williams | April 1940 |
| RR/67/394 | Referee's report by James Chadwick, on a paper 'The Y-ray transition of radio-bromine' by R E Siday | March 1941 |
| RR/68/80 | Referee's report by James Chadwick, on a paper 'Non-central forces in the nuclear two-body problem' by W Hepner and Rudolf Ernst Peierls | [1941] |
| RR/68/70 | Referee's report by James Chadwick, on a paper 'The 'second maximum’ of the shower transition curve of cosmic radiation' by E P George, L Jánossy and M McCaig | [1941] |
| RR/68/118 | Letter from James Chadwick, to Alfred Charles Glyn Egerton, regarding a paper 'The absorption spectra of the cyclic dienes in the vacuum ultra-violet' by William Charles Price and Arthur Donald Walsh | 31 May 1941 |
| RR/68/98 | Second referee's report by James Chadwick, on a paper 'Excitation function measurements for disintegrations produced by deuterons in the heavy elements' by R S Krishnan and E A Nahum | [1941] |
| RR/68/90 | Referee's report by James Chadwick, on a paper 'Penetrating cosmic-ray showers' by L Jánossy | [1941] |
| RR/68/84 | Referee's report by James Chadwick, on a paper 'The electronic charge' by V D Hopper and Thomas Howell Laby | [March 1941] |
| RR/68/234 | Referee's report by James Chadwick, on a paper 'Penetrating non-ionizing cosmic rays' by L Jánossy and George Dixon Rochester | [1942] |
| RR/68/240 | Referee's report by James Chadwick, on a paper 'The elastic scattering of fast positrons by heavy nuclei' by Harrie Stewart Wilson Massey | [1942] |
| RR/68/229 | Referee's report by James Chadwick, on a paper 'On nuclear energy levels' by K M Guggenheimer | [1942] |
| RR/68/384 | Referee's report by James Chadwick, on a paper 'The production of penetrating showers' by L Jánossy and George Dixon Rochester | [1943] |
| RR/68/251 | Referee's report by James Chadwick, on a paper 'Applications of photographic method to problems in nuclear physics. I (a) The determination of the energy of homogeneous groups of a-particles and protons (b) The determination of the energy of fast neutrons' by Cecil Frank Powell | [1942] |
| RR/68/264 | Referee's report by James Chadwick, on a paper 'A new method of determining half-value periods from observations with a single Geiger counter' by A G Ward | [1942] |
| RR/68/273 | Referee's report by George Paget Thomson, on a paper 'An investigation of the scattering of high-energy particles from the cyclotron by the photographic method, I. The experimental method' by James Chadwick, A N May, Thomas Gerald Pickavance and Cecil Frank Powell | [1943] |
| RR/68/274 | Referee's report by James Chadwick, on a paper 'Applications of the photographic method to problems in nuclear physics. II. The scattering of 8.8 and 13 MeV neutrons by protons' by F C Champion and Cecil Frank Powell | [1943] |
| RR/40/4 | Referee's report by James Chadwick, on a paper 'Secondary electronic emissions from metal foils and animal tissues' by William Valentine Mayneord | May 1930 |
| RR/44/113 | Referee's report by James Chadwick, on a paper 'The mobility of positive ions in helium. Part I. Helium ions' by Arthur Mannering Tyndall and Cecil Frank Powell | 1931 |
| PB/1/33/3/1 | Companion of Honour | 1965 |
| RR/56/85 | Referee's report by James Chadwick, on a paper 'The absorption of monochromatic X-ray beams, of wave-length in the region 50 to 20 X-units, in lead, tin, copper, and iron' by John Read | [June 1935] |
| RR/50/18 | Referee's report by James Chadwick, on a paper 'The diffraction of electrons in the halogens' by F L Arnot | November 1933 |
| RR/49/153 | Referee's report by James Chadwick, on a paper 'The mean lives of excited neon atoms' by J H E Griffiths | [October 1933] |
| RR/61/119 | Referee's report by James Chadwick, on a paper 'The angular distribution of photoelectrons from the K shell' by F F H Eggleston and Leslie Harold Martin | May 1937 |
| RR/55/2 | Referee's report by James Chadwick, on a paper 'The effect of secondary emission upon the fluctuations of the current in a triode (shot effect)' by W H Aldous and N R Campbell | June 1935 |
| RR/57/58 | Referee's report by James Chadwick, on a paper 'The energies of nuclear reactions' by Harold Albert Wilson | [July 1935] |
| RR/67/227 | Referee's report by James Chadwick, on a paper 'Precise measurements of the energies of ß-rays from radium (B + C)' by A F A Harper and N F Roberts | 1940 |
| RR/66/88 | Referee's report by James Chadwick, on a paper 'The photodisintegration of the deuteron in the meson theory' by Herbert Fröhlich, Walter Heinrich Heitler and B Kahn | [October 1939] |
| RR/66/86 | Referee's report by James Chadwick, on a paper 'Theory of electrical breakdown in ionic crystals. II' by Herbert Fröhlich | [May 1939] |
| RR/68/401 | Referee's report by James Chadwick, on a paper 'The scattering and polarization of fast electrons by heavy elements' by C B O Mohr | [1943] |
| MS/850 | Papers concerning nuclear fission by Hans von Halban and Lew Kowarski and correspondence regarding their deposit with the Royal Society | 1939-1942 |
| RR/53/158 | Referee's report by James Chadwick, on a paper 'On nuclear structure and induced radioactivity' by F H Newman and H T Walke | [July 1934] |
| RR/50/87 | Referee's report by James Chadwick, on a paper 'Experiments on the protons produced in the artificial disintegration of the nitrogen nucleus' by E C Pollard | March 1933 |
| RR/66/123 | Referee's report by James Chadwick, on two papers 'A quantitative study of pleochroic haloes. IV. New types of haloes' by George Hugh Henderson and F W Sparks, and 'A quantitative study of pleochroic haloes. V. The genesis of haloes' by George Hugh Henderson | 21 July 1939 |
| RR/66/87 | Referee's report by James Chadwick and Charles Galton Darwin, on a paper 'Deviation from the Coulomb law for the proton' by Herbert Fröhlich, Walter Heinrich Heitler and B Kahn | [March 1939] |
| RR/53/159 | Referee's report by James Chadwick, on a paper 'On nuclear structure and particle emission' by F H Newman and H T Walke | [July 1934] |
| RR/57/34 | Referee's report by James Chadwick, on a paper 'The variation of the mobility of gaseous ions with temperature I–Positive ions in their own gas' by Arthur Mannering Tyndall and A F Pearce | [February 1935] |
| RR/65/175 | Referee's report by James Chadwick, on a paper 'The ß-ray spectrum of Ra E' by Leslie Harold Martin and Albert Alan Townsend | October 1938 |
| RR/67/353 | Letter from J D Griffith Davies, Assistant Secretary of the Royal Society, on a paper 'On the salinity of the surface waters of the Irish Sea' by Joseph Proudman to members of the Sectional Committee for Physics | 27 December 1940 |
| RR/68/96 | Referee's report by James Chadwick, on a paper 'Excitation function measurements for disintegrations produced by deuterons in the heavy elements' by R S Krishnan and E A Nahum | [1941] |
| RR/68/117 | Letter from Alfred Charles Glyn Egerton, to James Chadwick, regarding a paper 'The absorption spectra of the cyclic dienes in the vacuum ultra-violet' by William Charles Price and Arthur Donald Walsh | 25 May 1941 |
| RR/71/12 | Referee's report by James Chadwick, on a paper 'Neutron diffraction' by G E Bacon and J Thewlis | [1948] |
| RR/71/132 | Referee's report by James Chadwick, on a paper 'The emission of light charged particles in the slow neutron fission of uranium' by L L Green and D L Livesey | [1948] |