| RefNo | Title | Date |
| EC/1905/05 | Field, Sir Arthur Mostyn: certificate of election to the Royal Society | |
| IM/001410 | Field, Sir Arthur Mostyn | nd |
| MS/591/5/5 | Letter from Arthur Mostyn Field, Hydrographic Deparment, Admirality, London, to Sir Archibald [Geikie] | 7 December 1908 |
| MS/591/5/11 | Letter from Arthur Mostyn Field, Hydrographic Deparment, Admirality, London, to Sir Archibald [Geikie] | 14 December 1908 |
| NLB/32/688 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 7 May 1906 |
| NLB/32/87 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 22 December 1905 |
| NLB/31/528 | Copy letter from Robert William Frederick Harrison, to Captain Arthur Mostyn Field, Fellow of the Royal Society | 5 October 1905 |
| NLB/31/717 | Copy letter from Robert William Frederick Harrison, to Captain Arthur Mostyn Field, Fellow of the Royal Society | 3 November 1905 |
| NLB/32/276 | Copy letter from Sir Archibald Geikie, to Captain Arthur Mostyn Field, [Fellow of the Royal Society] | 13 February 1906 |
| NLB/32/222 | Copy letter from Joseph Larmor, to Major Edmond Herbert Hills, Secretary of the Joint Permanent Eclipse Committee | 30 January 1906 |
| NLB/32/303 | Copy letter from Archibald Geikie, to Captain Arthur Mostyn Field, [Fellow of the Royal Society] | 16 February 1906 |
| NLB/32/506 | Copy letter from Robert William Frederick Harrison, to Captain Arthur Mostyn Field, Fellow of the Royal Society | 22 March 1906 |
| NLB/32/527 | Copy letter from Robert William Frederick Harrison, to Captain Arthur Mostyn Field, Fellow of the Royal Society | 27 March 1906 |
| NLB/32/812 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 29 May 1906 |
| NLB/36/239 | Copy letter from Robert William Frederick Harrison, to Admiral Arthur Mostyn Field, Fellow of the Royal Society, Hydrographic Department, Admiralty, S.W. | 28 September 1907 |
| NLB/36/392 | Copy letter from Archibald Geikie, to Admiral Arthur Mostyn Field, [Fellow of the Royal Society] | 25 October 1907 |
| NLB/39/330 | Copy letter from Robert William Frederick Harrison to Rear Admiral A [Arthur] Mostyn Field, Fellow of the Royal Society | 5 January 1909 |
| NLB/41/316 | Copy letter from Robert William Frederick Harrison, to Admiral Arthur Mostyn Field, Fellow of the Royal Society | 19 November 1909 |
| NLB/58/426 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Admiral Sir [Arthur] Mostyn Field, FRS | 4 May 1920 |
| NLB/66/98 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Admiral Sir Arthur Mostyn Field, KCB, FRS | 22 February 1924 |
| IM/Maull/001409 | Field, Sir Arthur Mostyn | nd |
| NLB/35/204 | Copy letter from Archibald Geikie, to Admiral Arthur Mostyn Field, [Fellow of the Royal Society] | 1 May 1907 |
| NLB/39/264 | Copy letter from Robert William Frederick Harrison to Dr R [Richard] T [Tetley] Glazebrook, Fellow of the Royal Society | 18 December 1908 |