| RefNo | Title | Date |
| EC/1881/20 | Traquair, Ramsey Heatley: certificate of election to the Royal Society | |
| NLB/6/1055 | Copy letter from Herbert Rix, to Dr Ramsey Heatley Traquair | 13 October 1892 |
| NLB/6/1107 | Copy letter from Herbert Rix, to Dr Ramsey Heatley Traquair | 25 October 1892 |
| NLB/5/749 | Copy letter from Herbert Rix, to Dr Ramsey HeatleyTraquair, Fellow of the Royal Society | 5 October 1891 |
| NLB/10/115 | Copy letter from Herbert Rix, to Messrs Robarts, Lubbock & Company, 15 Lombard Street, E.C. | 2 October 1894 |
| NLB/20/541 | Copy letter from Robert William Frederick Harrison, to Dr Ramsay Heatley Traquair, Fellow of the Royal Society | 18 May 1900 |
| NLB/29/684 | Copy letter from Robert William Frederick Harrison, to Dr Ramsay Heatley Traquair, Fellow of the Royal Society | 23 November 1904 |
| NLB/31/389 | Copy letter from Robert William Frederick Harrison, to Dr Ramsay Heatley Traquair, Fellow of the Royal Society, The Bush, Colinton, Midlothian | 1 September 1905 |
| NLB/36/645 | Copy letter from Robert William Frederick Harrison, to Dr Ramsay Heatley Traquair, Fellow of the Royal Society | 25 November 1907 |
| NLB/33/578 | Copy letter from Robert William Frederick Harrison, to Dr Heatley Ramsay Traquair, Fellow of the Royal Society, The Bush, Colinton | 3 October 1906 |
| MC/22/471 | Letter from [Ramsay Heatley] Traquair, The Bush, Colinton, Midlothian, to the Secretaries of the Royal Society, London | 7 November 1907 |
| NLB/36/457 | Copy letter from Joseph Larmor, to General Sir Dighton Probyn | 1 November 1907 |
| NLB/36/504 | Copy letter from Joseph Larmor, to Dr Ramsay Heatley Traquair, Fellow of the Royal Society | [5] November 1907 |
| NLB/39/183 | Copy letter from Robert William Frederick Harrison to Dr Ramsay H [Heatley] Traquair, Fellow of the Royal Society | 8 December 1908 |
| NLB/36/452 | Copy letter from Robert William Frederick Harrison, to the Deputy Master of the Mint | 1 November 1907 |
| MS/427/180 | Note of a letter from Walter White, Assistant Secretary of the Royal Society; to Dr. [Ramsay Heatley]Traquair | 17 April 1882 |
| NLB/10/126 | Copy letter from Herbert Rix, to Dr Ramsay Heatley Traquair, Fellow of the Royal Society, 8 Dean Park Crescent, Edinburgh | 4 October 1894 |
| MC/12/216 | Letter from R H [Ramsay Heatley] Traquair, The Royal Society, Burlington House, to the Secretary of the Royal Society | 7 November 1881 |
| MC/12 | Volume 12 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1880-1883 |
| MC/22 | Volume 22 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1907 |