| RefNo | Title | Date |
| EC/1949/18 | Powell, Cecil Frank: certificate of election to the Royal Society | |
| HWT/24/2/2 | Correspondence and papers regarding Royal Society policy subsequent to the Russian invasion of Czechoslovakia | August 1968 - December 1969 |
| MDA/C/20/8 | Correspondence on a Messel Research Fund grant to Cecil Frank Powell | 1938 |
| EXP/11/1/1/206 | Halley Bay expedition, file 'IGY Finance Reports on Apparatus Purchased on IGY Grants' | 1958-1959 |
| RR/42/73 | Referee's report by Charles Thomson Rees Wilson, on a paper 'The mobility of ions in pure gases' by Arthur Mannering Tyndall and Cecil Frank Powell | June 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/56/71 | Referee's report by John Cunningham McLennan, on a paper 'Characteristics of the adsorption of indium and thallium atoms on tungsten oxide' by Cecil Frank Powell and R L Mercer | [February 1935] |
| RR/63/49 | Referee's report by Sydney Chapman, on a paper 'The Royal Society expedition to Montserrat, B.W.I. Final report' by Cecil Frank Powell | March 1937 |
| RR/56/73 | Second referee's report by Richard Whiddington, on a paper 'Characteristics of the adsorption of indium and thallium atoms on tungsten oxide' by Cecil Frank Powell and R L Mercer | [June 1935] |
| RR/69/222 | Letter from Norman Feather, on a paper 'The scattering of 4.2 MeV protons by protons' by A N May and Cecil Frank Powell to J D Griffith Davie, Assistant Secretary of the Royal Society | 10 October 1946 |
| 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/68/273 | 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/69/162 | Referee's report by Norman Feather, on a paper 'The scattering of 4·2 MeV protons by deuterium, helium and other light elements' by Walter Heinrich Heitler, A N May and Cecil Frank Powell | 9 July 1946 |
| RR/69/221 | Referee's report by Norman Feather, on a paper 'The scattering of 4.2 MeV protons by protons' by A N May and Cecil Frank Powell | 26 June 1946 |
| RR/69/134 | Referee's report by Norman Feather, on a paper 'The elastic scattering of 6.5 MeV deuterons by deuterium, helium and other light elements' by K M Guggenheimer, Walter Heinrich Heitler and Cecil Frank Powell | 11 July 1946 |
| 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 |
| IM/003640 | Powell, Cecil Frank | nd |
| RR/68/250 | Referee's report by Patrick Maynard Stuart Blackett, Baron Blackett of Chelsea, 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 | 27 June 1942 |
| RR/49/37 | Referee's report by Charles Drummond Ellis, on a paper 'Emission of metallic ions from oxide surfaces. II.—Mechanism of the emission' by Cecil Frank Powell and Luang Brata | [March 1933] |
| PB/1/33/2 | Correspondence concerning the Copley Medal of the Royal Society | 1956 |
| RR/72/67 | Referee's report by Cecil Frank Powell, on a paper 'The transformation of the heavy nitrogen isotope into carbon and helium by bombardment with protons' by W Cochrane and A G Hester | 1949 |
| RR/56/72 | Referee's report by Richard Whiddington, on a paper 'Characteristics of the adsorption of indium and thallium atoms on tungsten oxide' by Cecil Frank Powell and R L Mercer | [February 1935] |
| RR/63/50 | Referee's report by Harold Jeffreys, on a paper 'The Royal Society expedition to Montserrat, B.W.I. Final report' by Cecil Frank Powell | March 1937 |
| RR/72/66 | Letter from Cecil Frank Powell, on a paper 'The transformation of the heavy nitrogen isotope into carbon and helium by bombardment with protons' by W Cochrane and A G Hester to D C Martin, Assistant Secretary of the Royal Society | 11 July 1949 |
| RR/75/115 | Referee's report by Norman Feather, on a paper 'Studies of nuclear collisions involving 8MeV deuterons by the photographic method. II. The energy of the excited states of 17O' by H B Burrows, Cecil Frank Powell and Joseph Rotblat | 16 May 1951 |
| RR/75/114 | Referee's report by Norman Feather, on a paper 'Studies of nuclear collisions involving 8MeV deuterons by the photographic method. I. The experimental method' by H B Burrows, Cecil Frank Powell and Joseph Rotblat | 16 May 1951 |