| Reference number | Title | Date |
| EC/1930/01 | Allen, Herbert Stanley: certificate of election to the Royal Society | |
| IM/GA/WS/4706 | Allen, Herbert Stanley | nd |
| RR/24/4 | Referee's report by James Hopwood Jeans, on a paper 'Electronic frequency and atomic number' by Herbert Stanley Allen | nd [1917] |
| RR/24/2 | Referee's report by William Mitchinson Hicks, on a paper 'Characteristic frequency and atomic number' by Herbert Stanley Allen | [June 1917] |
| NLB/54/533 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, Chairman of the Physics and Chemistry Committee and FRS | 11 June 1917 |
| NLB/54/756 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, Chairman of the Mathematics Committee and FRS | 12 September 1917 |
| RR/48/106 | Referee's report by Herbert Stanley Allen, on a paper 'X-ray absorption coefficients in the range 0·3 to 2·0 Å' by Leslie Harold Martin and K C Lang | [March 1932] |
| NLB/54/532 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, Chairman of the Physics and Chemistry Committee and FRS | 11 June 1917 |
| RR/54/142 | Referee's report by Herbert Stanley Allen, on a paper 'The excitation potential of the nitrogen second positive bands' by N Thompson and S E Williams | August 1934 |
| RR/30/1 | Referee's report by Thomas Ralph Merton, on a paper 'The band spectrum of hydrogen' by Herbert Stanley Allen | [May 1924] |
| 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/57/70 | Referee's report by William Edward Curtis, on a paper 'On certain fundamental frequencies and energy constants' by Herbert Stanley Allen | [May 1936] |
| RR/57/71 | Referee's report by Ernest Rutherford, Baron Rutherford of Nelson, on a paper 'On certain fundamental frequencies and energy constants' by Herbert Stanley Allen | 26 May 1936 |
| MC/28/3 | Letter from [Herbert] Stanley Allen, 5 Presburg Road, Malden, Surrey, to The Secretary, Royal Society | 6 January 1913 |
| MC/29/7 | Letter from [Herbert] Stanley Allen, 5 Presburg Road, Malden, Surrey, to Professor [Arthur] Schuster, [Royal Society] | 19 March 1914 |
| MC/29/134 | Letter from Thomas Hill & Co, Law & General, 33 Chancery Lane, London, W.C, to The Assistant Secretary, The Royal Society | 24 March 1914 |