| Reference number | Title | Date |
| RR/6/29 | Referee's report by John Marshall, on a paper 'On the structure of the cerebral hemispheres' by William Henry Broadbent | 15 September 1869 |
| RR/4/95 | Letter from John Marshall, on a paper 'On the posterior lobes of the cerebrum of the quadrumana' by William Henry Flower | 3 March 1862 |
| RR/7/499 | Referee's report by John Marshall, on a paper 'The minute anatomy of the alimentary canal' by Herbert Watney | 3 July 1867 |
| RR/5/140 | Referee's report by George Rolleston, on a paper 'On the brain of a bushwoman; and on the brains of two 'idiots' of European descent' by John Marshall | 25 September 1863 |
| RR/7/273 | Referee's report by John Marshall, on a paper 'On the mechanical conditions of the respiratory movements in man' by Arthur Ransome | 1873 |
| RR/6/223 | Letter from John Marshall, to George Gabriel Stokes, regarding a paper 'On the muscular arrangements of the bladder and prostate, and the manner in which the ureters and urethra are closed' by James Bell Pettigrew | 7 September 1866 |
| RR/7/89 | Memorandum from Francis Sibson and John Marshall, on a paper 'Some remarks on the mechanism of respiration' by Frederick Le Gros Clark to the author | 1871 |
| RR/11/188 | Letter from John Marshall, on his papers 'On the weight of the brain and it's parts' and 'On the brain of the late George Grote FRS' to the Secretary of the Royal Society | 15 July 1891 |
| RR/11/189 | Referee's report by Alexander Macalister, on two papers 'On the weight of the brain and its parts' and 'On the brain of the late George Grote FRS' by John Marshall | 31 August 1891 |
| RR/5/37 | Referee's report by John Marshall and Lionel Smith Beale, on a paper 'On the distal communication of the blood-vessels with the lymphatics; and on a diaplasmatic system of vessels' by Thomas Albert Carter | 24 November 1864 |
| RR/11/190 | Letter from Francis Galton, on two papers 'On the weight of the brain and its parts' and 'On the brain of the late George Grote FRS' by John Marshall to the Secretary of the Royal Society | 20 October 1891 |
| RR/4/98 | Referee's report by John Marshall, on a paper 'On the posterior lobes of the cerebrum of the quadrumana' by William Henry Flower | 8 October 1862 |
| RR/4/18 | Referee's report by John Marshall, on a paper 'Tables of the weights of the human body and internal organs in the sane and insane of both sexes at various ages, arranged from 2614 post-mortem examinations' by Robert Boyd | 9 May 1861 |
| RR/4/27 | Referee's report by John Marshall, on a paper 'Experiments and observations on the structure and function of the stomach in the vertebrate class' by William Brinton | 1862 |
| PT/37/5/2 | Plate, sketch of heart by F M B [Ford Madox Brown] | [1849] |
| MC/5/282 | Letter from John Marshall, 10 Savile Row, to Professor [William] Sharpey, [Secretary of the Royal Society] | 9 May 1857 |
| EC/1857/09 | Marshall, John: certificate of election to the Royal Society | |
| NLB/5/303 | Copy letter from Herbert Rix, to Mrs Marshall, Belle Vue House, Cheque Walk, S.W. | 7 May 1891 |
| RR/6/226 | Referee's report by John Marshall, on a paper 'On the muscular arrangements of the bladder and prostate, and the manner in which the ureters and urethra are closed' by James Bell Pettigrew | 20 August 1866 |
| PT/70/12 | Paper, 'On the brain of a bushwoman [sic] and on the brains of two idiots [sic] of European descent' by John Marshall | [1863] |
| RR/11/191 | Referee's report by Francis Galton, on two papers 'On the weight of the brain and its parts' and 'On the brain of the late George Grote FRS' by John Marshall | 20 October 1891 |
| PT/37/5/3 | Plate, unpublished figures 2-4 showing microscopic views of heart and veins by unknown artist | [1849] |
| RR/5/163 | Referee's report by John Marshall, on a paper 'Description of the cavern of Bruniquel, and its organic contents' by Richard Owen | 24 August 1864 |
| RR/5/77 | Referee's report by John Marshall, on a paper 'On the commissures of the cerebral hemispheres of the marsupialia and monotremata as compared with those of the placental mammals' by William Henry Flower | 18 May 1865 |
| RR/5/141 | Referee's report by George Busk, on a paper 'On the brain of a bushwoman; and on the brains of two 'idiots' of European descent' by John Marshall | 19 November 1863 |
| PT/37/5 | Paper, 'Of the development of the great anterior veins in man and mammalia: including an account of certain remnants of fœtal structure found in the adults, a comparative view of these great veins in the different mammalia, and an analysis of their occasional peculiarities in the human subject' by John Marshall | [1849] |
| MC/5 | Volume 5 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1851-1858 |
| RR/2/150 | Referee's report by Thomas Wharton Jones, on a paper 'On the development of the great anterior veins in man and mammalia; including an account of certain remnants of foetal structure found in the adult, a comparative view of these great veins the different mammalia, and an analysis of their occasional peculiarities in the human subject' by John Marshall | 1849 |
| PT/37/5/1 | Manuscript, 'Of the development of the great anterior veins in man and mammalia: including an account of certain remnants of fœtal structure found in the adults, a comparative view of these great veins in the different mammalia, and an analysis of their occasional peculiarities in the human subject' by John Marshall | [1849] |
| MC/12/111 | Letter from John Marshall, 10 Savile Row, to Walter White, [Assistant Secretary of the Royal Society] | 5 November 1880 |
| RR/3/111 | Referee's report by William Sharpey and John Marshall, on a paper 'Note sur un organe, placé dans le cordon spermatique, et dont l'existence n'a pas été signalée par les anatomistes' by P Giraldes | 1858 |
| MC/12 | Volume 12 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1880-1883 |
| RR/7/88 | Referee's report by John Marshall, on a paper 'Some remarks on the mechanism of respiration' by Frederick Le Gros Clark | 24 October 1871 |
| RR/7/272 | Referee's report by John Marshall, on a paper 'On the mechanical conditions of the respiratory movements in man' by Arthur Ransome | 2 June 1873 |
| PP/8/2 | Paper, 'On the action of sunlight on microorganisms &c. with a demonstration of the influence of diffused light' by Arthur Downes | 1885 |
| RR/2/149 | Referee's report by Richard Owen, on a paper 'On the development of the great anterior veins in man and mammalia; including an account of certain remnants of foetal structure found in the adult, a comparative view of these great veins the different mammalia, and an analysis of their occasional peculiarities in the human subject' by John Marshall | 16 October 1849 |
| RR/2/151 | Note from the Committee of Physiology, on a paper 'On the development of the great anterior veins in man and mammalia; including an account of certain remnants of foetal structure found in the adult, a comparative view of these great veins the different mammalia, and an analysis of their occasional peculiarities in the human subject' by John Marshall | 17 October 1849 |