| Reference number | Title | Date |
| EC/1914/02 | Assheton, Richard: certificate of election to the Royal Society | |
| NLB/13/765 | Copy letter from Robert William Frederick Harrison, to Mr Edwin Wilson, Post Office Terrace, Cambridge | 20 November 1896 |
| NLB/30/620 | Copy letter from Robert William Frederick Harrison, to Richard Assheton, [Fellow of the Royal Society] | 18 April 1905 |
| NLB/31/153 | Copy letter from Archibald Geikie, to Richard Assheton, [Fellow of the Royal Society] | 3 July 1905 |
| NLB/52/257 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to unknown correspondent | 26 October 1915 |
| NLB/52/291 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Professor James Peter Hill, FRS | 3 November 1915 |
| NLB/52/325 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to [Philosophical Transactions of the Royal Society] | 3 July 1914 |
| NLB/54/209 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Mrs. Assheton, [Wife of Dr. Richard Assheton, FRS] | 6 March 1917 |
| RR/22/54 | Referee's report by Richard Assheton, on a paper 'The development of the thymus, epithelial bodies, and thyroid in the marsupialia. Part I - Trichosurus vulpecula' by Elizabeth A Fraser and James Peter Hill | April 1915 |
| RR/22/56 | Referee's report by Richard Assheton, on a paper 'The development of the thymus, epithelial bodies, and thyroid in the marsupialia. Part I - Trichosurus vulpecula' by Elizabeth A Fraser and James Peter Hill | April 1915 |
| NLB/67/348 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Professor [James Peter] Hill, FRS | 8 December 1924 |
| RR/16/252 | Referee's report by Daniel John Cunningham, on a paper 'The morphology of the ungulate placenta, particularly the development of that organ in the sheep, & notes upon the placenta of the elephant & hyrax' by Richard Assheton | 20 June 1905 |
| RR/16/251 | Referee's report by Edward Albert Sharpey-Schafer, on a paper 'The morphology of the ungulate placenta, particularly the development of that organ in the sheep, & notes upon the placenta of the elephant & hyrax' by Richard Assheton | 5 June 1905 |