| RefNo | Title | Date |
| NLB/66/90 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof [David Meredith Seares] Watson, FRS | 21 February 1924 |
| EC/1922/14 | Watson, David Meredith Seares: certificate of election to the Royal Society | |
| NLB/36/603 | Copy letter from Robert William Frederick Harrison, to Professor Weiss, University of Manchester | 19 November 1907 |
| NLB/36/321 | Copy letter from Robert William Frederick Harrison, to Professor Albert Charles Seward, Fellow of the Royal Society | 10 October 1907 |
| NLB/36/334 | Copy letter from Robert William Frederick Harrison, to Aubrey Strahan, Fellow of the Royal Society, Chairman of the Geology Sectional Committee | 14 October 1907 |
| NLB/36/601 | Copy letter from Robert William Frederick Harrison, to David Meredith Seares Watson | 19 November 1907 |
| NLB/37/214 | Copy letter from Robert William Frederick Harrison to D [David] M [Meredith] S [Seares] Watson, Geological Department, University of Manchester | 15 February 1908 |
| NLB/65/170 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [David Meredith Seares] Watson | 7 September 1923 |
| RR/22/129 | Referee's report by Johnson Symington, on a paper 'The monotreme skull: A contribution to mammalian morphogenesis' by David Meredith Seares Watson | July 1915 |
| NLB/54/500 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [James Peter] Hill, FRS | 2 June 1917 |
| NLB/54/497 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Professor [John] Stanley Gardier, Chairman of the Zoology Committee and FRS | 1 June 1917 |
| RR/63/126 | Referee's report by Arthur Smith Woodward, on a paper 'The Acanthodian fishes' by David Meredith Seares Watson | February 1937 |
| RR/31/10 | Referee's report by David Meredith Seares Watson, on a paper 'The physiology of Teleosts: Preliminary note on the origin and mode of differentiation of the pipefishes (Syngnathiformes)' by H K Kyle | [1924] |
| NLB/68/536 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Sidney [Frederic] Harmer, KBE, FRS | 29 July 1925 |
| RR/39/57 | Referee's report by David Meredith Seares Watson, on a paper 'The vascular filaments on the pelvic limbs of Lepidosiren, their function and evolutionary significance' by J T Cunningham | [October 1929] |
| RR/38/117 | Referee's report by David Meredith Seares Watson, on a paper 'Study of the development of the vertebral column in teleosts, as shown in the life history of herring' by S J M Ramanujam | February 1929 |
| RR/37/53 | Referee's report by David Meredith Seares Watson, on a paper 'The development of the vertebral column in mammals, as illustrated by its development in Mus musculus' by Ben Dawes | November 1928 |
| RR/24/89 | Referee's report by John Graham Kerr, on a paper 'The structure, evolution and origin of the Amphibia. - The "orders' Rachitomi and Stereospondyli' by David Meredith Seares Watson | [April 1917] |
| RR/49/69 | Referee's report by David Meredith Seares Watson, on a paper 'The extinct of rhinoceroses of Baluchistan' by Clive Forster-Cooper | [October 1933] |
| RR/37/115 | Referee's report by David Meredith Seares Watson, on a paper 'The study of the development of the vertebral column of amphibia, as shown in the life-history of rana temporaria' by Himadri Kumar Mookerjee | March 1928 |
| RR/56/66 | Referee's report by David Meredith Seares Watson, on a paper 'On the tooth-replacement in theriodont reptiles' by Francis Rex Parrington | [September 1935] |
| RR/55/65 | Referee's report by David Meredith Seares Watson, on a paper 'On the structure of the skull in the mammal-like reptiles of the suborder therocephalia' by Robert Broom | May 1935 |
| RR/63/125 | Referee's report by Richard Higgins Burne, on a paper 'The Acanthodian fishes' by David Meredith Seares Watson | January 1937 |
| RR/63/100 | Referee's report by David Meredith Seares Watson, on a paper 'The phylogeny of the ammonite family liparoceratidae' by L F Spath | February 1937 |
| RR/67/312 | Referee's report by David Meredith Seares Watson, on a paper 'On the evolution of the mammalian palate' by Francis Rex Parrington and Thomas Stanley Westoll | December 1939 |
| RR/72/103 | Referee's report by David Meredith Seares Watson, on a paper 'The skull of the foetal narwhal, Monodon monoceros L' by Nellie B Eales | 1949 |
| NLB/66/59 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [David Meredith Seares] Watson, FRS | 15 February 1924 |
| NLB/65/930 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Sidney [Frederic] Harmer, KBE, FRS | 31 January 1924 |
| NLB/67/44 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [David Meredith Seares] Watson, FRS | 9 October 1924 |
| NLB/65/873 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [David Meredith Seares] Watson, FRS | 21 January 1924 |
| RR/31/80 | Referee's report by Arthur Smith Woodward, on the Croonian Lecture 'The evolution and origin of the amphibia' by David Meredith Seares Watson | [September 1925] |
| NLB/67/282 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [David Meredith Seares] Watson, FRS | 28 November 1924 |
| NLB/71/336 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Editor, The Encyclopedia Britannica, 80 Regent Street, W1 | 4 April 1928 |
| RR/31/79 | Referee's report by Charles William Andrews, on the Croonian Lecture 'The evolution and origin of the amphibia' by David Meredith Seares Watson | [February 1924] |
| NLB/66/381 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [David Meredith Seares] Watson, FRS | 29 April 1924 |
| NLB/66/572 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [David Meredith Seares] Watson, FRS | 30 May 1924 |
| NLB/66/722 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [David Meredith Seares] Watson, FRS | 25 June 1924 |
| NLB/68/549 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [David Meredith Seares] Watson, FRS | 6 August 1925 |
| NLB/68/640 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Sidney [Frederic] Harmer, KBE, FRS | 30 September 1925 |
| NLB/69/627 | Copy letter from Henry Hallett Dale, Secretary of the Royal Society; to Sir Arthur Smith Woodward, FRS | 30 June 1926 |
| NLB/71/257 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Editor, the Encyclopaedia Britannica, 80 Regent Street, W1 | 1 March 1928 |
| NLB/71/505 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [David Meredith Seares] Watson, FRS | 19 June 1928 |
| NLB/71/482 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [David Meredith Seares] Watson | 9 June 1928 |
| NLB/71/649 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [David Meredith Seares] Watson, FRS | 21 September 1928 |
| NLB/72/653 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [David Meredith Seares] Watson, FRS | 14 February 1930 |
| RR/17/224 | Referee's report by Robert Kidston, on a paper 'On the present distribution and origin of the calcareous concretions in coal seams, known as "coal balls"' by M C Stopes and David Meredith Seares Watson | [July 1907] |
| RR/31/41 | Referee's report by David Meredith Seares Watson, on a paper 'Dwarfed males parasitic on the females in oceanic angler-fishes (Pediculati ceratioidea)' by Charles Tate Regan | 1 December 1924 |
| MDA/C/4/2 | Letters on nominations to deliver the Croonian Lecture | 1921-1925 |
| RR/36/41 | Referee's report by David Meredith Seares Watson, on a paper 'On the evolution of the vertebral column in birds, illustrated by its development in Larus and Struthio' by Johannes Piiper | [May 1927] |
| NLB/66/658 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Sydney] Chapman | 13 June 1924 |
| RR/62/28 | Referee's report by David Meredith Seares Watson, on a paper 'On the phylogeny of the Ammonite family Liparoceratidae' by Leonard Frank Spath | [September 1936] |
| RR/17/223 | Letter from Robert Kidston, regarding a paper 'On the present distribution and origin of the calcareous concretions in coal seams, known as "coal balls"' by M C Stopes and David Meredith Seares Watson | 13 July 1907 |
| RR/17/225 | Referee's report by Aubrey Strahan, on a paper 'On the present distribution and origin of the calcareous concretions in coal seams, known as "coal balls"' by M C Stopes and David Meredith Seares Watson | 7 October 1907 |
| RR/24/88 | Referee's report by Hans Friedrich Gadow, on a paper 'The structure, evolution and origin of the Amphibia. - The "orders' Rachitomi and Stereospondyli' by David Meredith Seares Watson | 22 March 1917 |
| RR/28/88 | Referee's report by David Meredith Seares Watson, on a paper 'On the skull and dentition of paraceratherium bugtiense: a genus of aberrant rhinoceroses from the lower Miocene deposits of Dera Bugti' by Clive Forster Cooper | [September 1923] |
| RR/31/42 | Referee's report by David Meredith Seares Watson, on a paper 'The morphology of a rare oceanic fish, Stylophorus chordatus, Shaw; based on specimens collected in the Atlantic by the “Dana” expeditions, 1920-1922' by Charles Tate Regan | nd [1923] |
| RR/53/116 | Referee's report by David Meredith Seares Watson, on a paper 'Hypophysectomy of birds. I-Technique, with a note a on results' by R Towner Hill and Alan Sterling Parkes | [June 1934] |
| RR/62/12 | Referee's report by David Meredith Seares Watson, on a paper 'An anomalous fossil organism, possibly a new type of chordate, from the upper silurian of lesmahagow, lanarkshire —Ainiktozoon loganense, gen. et sp. nov' by D J Scourfield | [June 1936] |