| RefNo | Title | Date |
| IM/000948 | Copeman, Sydney Arthur Monckton | nd |
| RR/18/27 | Referee's report by Sydney Monckton Copeman, on a paper 'The blood volume of mammals as determined by experiments upon rabbits, guinea-pigs, and mice; and its relationship to the body weight and to the surface area expressed in formula' by Georges Dreyer and William Ray | May 1910 |
| NLB/23/2/259 | Copy letter from Sir Michael Foster, to Dr Sydney Arthur Monckton Copeman, [Fellow of the Royal Society] | 6 November 1902 |
| NLB/25/672 | Copy letter from Michael Foster, to Sydney Arthur Monckton Copeman, [Fellow of the Royal Society] | 5 December 1902 |
| NLB/25/569 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, [Fellow of the Royal Society] | 20 November 1902 |
| NLB/25/711 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, [Fellow of the Royal Society] | 12 December 1902 |
| NLB/25/563 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, [Fellow of the Royal Society], The Owens College, Manchester | 19 November 1902 |
| NLB/28/31 | Copy letter from Robert Harrison, to Dr Sydney Arthur Monckton Copeman, Fellow of the Royal Society | 21 December 1903 |
| NLB/27/861 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, Fellow of the Royal Society | 14 December 1903 |
| NLB/28/99 | Copy letter from Robert William Frederick Harrison, to William Bateson, Fellow of the Royal Society | 9 January 1904 |
| NLB/29/627 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, Fellow of the Royal Society | 15 November 1904 |
| NLB/37/756 | Copy letter from Robert William Frederick Harrison to Dr S [Sydney Arthur] Monckton Copeman, Fellow of the Royal Society | 8 May 1908 |
| NLB/37/825 | Copy Letter from Robert William Frederick Harrison to Dr S [Sydney Arthur] Monckton Copeman, Fellow of the Royal Society | 20 May 1908 |
| NLB/37/846 | Copy Letter from Robert William Frederick Harrison to Dr S [Sydney Arthur] Monckton Copeman, Fellow of the Royal Society | 22 May 1908 |
| NLB/38/300 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, Fellow of the Royal Society | 13 July 1908 |
| NLB/38/384 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, Fellow of the Royal Society | 24 July 1908 |
| NLB/42/280 | Copy letter from Robert William Frederick Harrison to Dr S [Sydney Arthur] M [Monckton] Copeman FRS, Local Government Board, Whitehall, SW | 6 May 1910 |
| NLB/42/330 | Copy letter from Robert William Frederick Harrison to Dr J [John] R [Rose] Bradford, Sec RS | 24 May 1910 |
| NLB/46/300 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, Fellow of the Royal Society | 9 July 1912 |
| NLB/51/704 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Lt. Col. Sydney Arthur Monckton Copeman FRS | 29 May 1915 |
| NLB/51/656 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Dr Sydney Arthur Monckton Copeman FRS | 15 May 1915 |
| NLB/54/269 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Messrs Harrison & Sons | 19 March 1917 |
| RR/17/263 | Referee's report by William Dobinson Halliburton, on a paper 'A study of the variations in the secretion of hydrochloric acid in the gastric contents of mice and rats as compared with the human subject in cancer' by Sydney Monckton Copeman and H Wilson Hake | July 1908 |
| NLB/54/739 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [Messrs Harrison & Sons] | 5 September 1917 |
| NLB/53/529 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr. [Sydney Arthur] Monckton Copeman, FRS | 24 October 1916 |
| EC/1903/03 | Copeman, Sydney Arthur Monckton: certificate of election to the Royal Society | |
| NLB/25/744 | Copy letter from Robert William Frederick Harrison, to Dr Sydney Arthur Monckton Copeman, 57 Redcliffe Gardens, S.W. | 18 December 1902 |
| RR/23/31 | Referee's report by Sydney Arthur Monckton Copeman, on a paper 'Further observations on protozoa in relation to soil bacteria' by Tom Goodey | 29 May 1916 |
| RR/24/25 | Referee's report by Sydney Arthur Monckton Copeman, on a paper 'An investigation into the periodicity of measles epidemics in London from 1703 to the present day by the method of the periodogram' by John Brownlee | 17 January 1918 |
| PP/22/15 | Paper, 'Experiments on variola [smallpox] and vaccinia [cowpox]' by Sydney Arthur Monckton Copeman | 1893 |
| MC/19/218 | Letter from [Sydney] Monckton Copeman, Local Government Board, Whitehall, to [Robert William Frederick] Harrison | 9 November 1904 |
| MC/19/219 | Letter from [Sydney] Monckton Copeman, Local Government Board, Whitehall, to [Robert William Frederick] Harrison | 16 November 1904 |
| MC/17 | Volume 17 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1897-1899 |
| MC/19 | Volume 19 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1904 |
| NLB/47/706 | Copy letter from Robert William Frederick Harrison to Dr S [Sydney] M [Monckton] Copeman FRS | 19 March 1913 |