| RefNo | Title | Date |
| MM/22/38 | Letter from Arthur Harry Church, 246 Iffley Road, Oxford, to 'Dear Sir' | 11 April 1905 |
| NLB/14/323 | Copy letter from Michael Foster, to Professor Arthur Harry Church, Fellow of the Royal Society, Shelsey, Kew | 18 February 1897 |
| NLB/27/269 | Copy letter from Robert William Frederick Harrison, to Dr Arthur Harry Church, [Fellow of the Royal Society], 246 Iffley Road, Oxford | 30 July 1903 |
| NLB/47/252 | Copy letter from Robert William Frederick Harrison to Sir Arthur Church, KCVO, FRS | 3 January 1913 |
| RR/20/25 | Referee's report by Francis Darwin, on a paper 'On the floral mechanism of welwitschia mirabilis (Hooker)' by Arthur Harry Church | 7 March 1914 |
| RR/20/24 | Referee's report by Francis Wall Oliver, on a paper 'On the floral mechanism of welwitschia mirabilis (Hooker)' by Arthur Harry Church | 23 February 1914 |
| NLB/54/416 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Charles J. Stewart Esquire; 7 Kings Bench Walk, Temple, E.C. | 8 May 1917 |
| NLB/57/794 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Herbert P Morris Esq, Charity Commission, Ryder Street, SW 1 | 6 February 1920 |
| NLB/67/670 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Vernon Herbert] Blackman, FRS | 12 February 1925 |
| NLB/66/433 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Albert Charles] Seward, FRS | 8 May 1924 |
| EC/1921/11 | Church, Arthur Harry: certificate of election to the Royal Society | |
| MS/911 | Watercolour collection of Gordon (Tony) Fogg | 18th Century-20th CeWntury |