| RefNo | Title | Date |
| EC/1899/05 | Fenton, Henry John Horstman: certificate of election to the Royal Society | |
| NLB/18/370 | Copy letter from Robert William Frederick Harrison, to Professor H E Armstrong, Fellow of the Royal Society | 1 March 1899 |
| NLB/52/704 | 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 | 18 February 1916 |
| NLB/50/643 | Copy letter from Robert William Frederick Harrison, to Dr [Henry John Horstman] Fenton, Fellow of the Royal Society | 2 October 1914 |
| NLB/52/832 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Dr. Henry John Horstman Fenton, FRS; 19 Brookside, Cambridge | 1 March 1916 |
| RR/22/101 | Referee's report by Henry John Horstman Fenton, on a paper 'On the emulsifying action of soap - A contribution to the theory of detergent action' by S A Shorter and S Ellingworth | October 1915 |
| NLB/54/649 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Arthur] Schuster, Secretary of the Royal Society | 13 July 1917 |
| NLB/54/854 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [Henry John Horstman] Fenton Esquire, FRS | 22 October 1917 |
| NLB/64/837 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Charles Thomas] Heycock, FRS | 27 June 1923 |
| RR/28/120 | Referee's report by Henry John Horstman Fenton, on a paper 'The discontinuity of the hydration process' by William A Davis and J Vargas Eyre | 26 June 1923 |
| RR/21/9 | Referee's report by Henry John Horstman Fenton, on two papers 'Studies of the processes operative in solutions. XXXI.— Sulphonic acids and sulphuric acid as hydrolytic agents—a discussion of the constitution of sulphuric and other polybasic acids and of the nature of acids' and 'Studies of the processes operative in solutions. XXXII.— The influence of sulphonates on the hydrolytic activity of sulphonic acids: a contribution to the discussion on the influence of neutral salts' by Henry Edward Armstrong and F P Worley | [February 1914] |
| RR/22/44 | Referee's report by Henry John Horstman Fenton, on a paper 'Some catalytic phenomena, the stages of which have been traced experimentally' by A E Dixon and J Taylor | February 1916 |
| PP/7/16 | Paper, 'On the limited hydration of ammonium carbamate' by H J H [Henry John Horstman] Fenton | 1885 |