| Reference number | Title | Date |
| NLB/2/117 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 24 January 1888 |
| NLB/2/49 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 20 December 1887 |
| NLB/2/251 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley | 13 March 1888 |
| NLB/2/415 | Copy letter from Herbert Rix, to Professor William Henry Flower, Fellow of the Royal Society | 11 June 1888 |
| NLB/2/505 | Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt] | 23 July 1888 |
| NLB/1/737 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 21 November 1887 |
| NLB/1/574 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 22 September 1887 |
| NLB/1/658 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 26 October 1887 |
| NLB/1/709 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 8 November 1887 |
| NLB/2/845 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 21 November 1888 |
| NLB/2/844 | Copy letter from Herbert Rix, to Miss [Gertrude] Woodward, 129 Beaufort Street, S.W. | 21 November 1888 |
| NLB/2/826 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 15 November 1888 |
| NLB/4/1168 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 3 February 1891 |
| NLB/3/218 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 12 April 1889 |
| NLB/3/525 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 4 July 1889 |
| NLB/6/8 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 8 February 1892 |
| NLB/6/74 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 24 February 1892 |
| NLB/6/91 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 29 February 1892 |
| NLB/6/18 | Copy letter from an unknown correspondent, to Mr Collings, 172 Strand | 10 February 1892 |
| NLB/3/776 | Copy letter from an unknown correspondent, to Messrs West, Newman & Company, 54 Hatton Garden | 7 October 1889 |
| NLB/6/862 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 26 July 1892 |
| NLB/6/965 | Copy letter from Herbert Rix, to Messrs West, Newman & Company, 54 Hatton Garden | 26 September 1892 |
| NLB/6/44 | Copy letter from an unknown correspondent, to Mr Collings | 18 February 1892 |
| NLB/3/852 | Copy letter from an unknown correspondent, to Messrs West, Newman & Company, 54 Hatton Garden | 26 October 1889 |
| NLB/6/329 | Copy letter from Herbert Rix, to John Evans, Treasurer, Royal Society | 12 April 1892 |
| NLB/6/393 | Copy letter from Herbert Rix, to W H Wesley | 29 April 1892 |
| NLB/6/779 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 12 July 1892 |
| NLB/6/342 | Copy letter from Herbert Rix, to Professor Herry Govier Seeley, Fellow of the Royal Society | 21 April 1892 |
| NLB/6/392 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 29 April 1892 |
| NLB/10/251 | Copy letter from an unknown correspondent, to Mr Collings, 172 Strand | 31 October 1894 |
| NLB/3/1107 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 13 January 1890 |
| NLB/7/6 | Copy letter from Michael Foster, to Professor Harry Govier Seeley | 10 November 1892 |
| NLB/6/827 | Copy letter from Herbert Rix, to Lord Kelvin [William Thomson], President, Royal Society | 20 July 1892 |
| NLB/5/296 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 2 May 1891 |
| NLB/6/1020 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 4 October 1892 |
| NLB/5/257 | Copy letter from Michael Foster, to Professor Harry Govier Seeley, Fellow of the Royal Society | 21 April 1891 |
| NLB/6/977 | Copy letter from Herbert Rix, to Professor Michael Foster | 27 September 1892 |
| NLB/6/1047 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 10 October 1892 |
| NLB/10/385 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 16 November 1894 |
| NLB/7/20 | Copy letter from Herbert Rix, to Arthur Smith Woodward, British Museum (Natural History), Cromwell Road, S.W. | 12 November 1892 |
| NLB/6/1174 | Copy letter from Michael Foser, to Sir William Henry Flower, Natural History Musuem, S.W. | 5 November 1892 |
| NLB/6/1166 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley | 5 November 1892 |
| NLB/5/542 | Copy letter from Herbert Rix, to [John William Strutt] Lord Rayleigh, [Royal Society] | 8 July 1891 |
| NLB/5/714 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 23 September 1891 |
| NLB/5/704 | Copy letter from Herbert Rix, to John Evans, [Treasurer, Royal Society] | 21 September 1891 |
| NLB/5/679 | Copy letter from A H White, to the Cambridge Engraving Company | 4 September 1891 |
| NLB/5/752 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 5 October 1891 |
| NLB/7/471 | Copy letter from Michael Foster, to Sir William Henry Flower, British Museum (Natural History) | 23 February 1893 |
| NLB/7/441 | Copy letter from Michael Foster, to Professor Harry Govier Seeley, Fellow of the Royal Society | 17 February 1893 |
| NLB/5/968 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 25 November 1891 |
| NLB/7/970 | Copy letter from Herbert Rix, to Mr Collings | 12 June 1893 |
| NLB/7/1076 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 27 June 1893 |
| NLB/8/31 | Copy letter from Herbert Rix, to Mr Collings | 3 July 1893 |
| NLB/5/1165 | Copy letter from Herbert Rix, to Miss Woodward, 129 Beaufort Street, Chelsea, S.W. | 19 January 1892 |
| NLB/5/1163 | Copy letter from Herbert Rix, to F H Wesley | 19 January 1892 |
| NLB/5/1205 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 27 January 1892 |
| NLB/10/123 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 3 October 1894 |
| NLB/10/23 | Copy letter from A H White, to Miss Gertrude Woodward | 31 August 1894 |
| NLB/8/297 | Copy letter from Herbert Rix, to Sir John Evans, [Treasurer, Royal Society] | 22 September 1893 |
| NLB/10/142 | Copy letter from an unknown correspondent, to Mr Collings | 6 October 1894 |
| NLB/10/1029 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | [27] March 1895 |
| NLB/10/359 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 13 November 1894 |
| NLB/10/671 | Copy letter from Herbert Rix, to Messrs West, Newman & Company | 18 January 1895 |
| NLB/10/696 | Copy letter from Herbert Rix, to Messrs West Newman & Company, 54 Hatton Gardens, E.C. | 22 January 1895 |
| NLB/9/49 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 19 March 1894 |
| NLB/9/988 | Copy letter from Theodore E James, to the Lord Rayleigh [John William Strutt], Secretary, Royal Society | 3 August 1894 |
| NLB/9/78 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 22 March 1894 |
| NLB/11/395 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 21 June 1895 |
| NLB/9/306 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 27 April 1894 |
| NLB/9/380 | Copy letter from Herbert Rix, to Dr Woodward | 8 May 1894 |
| NLB/9/423 | Copy letter from Herbert Rix, to Miss Gertrude Woodward, 129 Beaufort Street, Chelsea, S.W. | 17 May 1894 |
| NLB/9/871 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 23 July 1894 |
| NLB/9/999 | Copy letter from A H White, to Dr Michael Foster, Secretary, Royal Society | 15 August 1894 |
| NLB/13/292 | Copy letter from Robert William Frederick Harrison, to Professor Harry Govier Seeley, Fellow of the Royal Society | 22 July 1896 |
| NLB/13/821 | Copy letter from Robert William Frederick Harrison, to Charles Sissmore Jones, Fellow of the Royal Society, 9 Park Crescent, W. | 2 December 1896 |
| NLB/13/249 | Copy letter from Robert William Frederick Harrison, to Professor Harry Govier Seeley, Fellow of the Royal Society | 9 July 1896 |
| NLB/13/207 | Copy letter from Robert William Frederick Harrison, to Professor Harry Govier Seeley, Fellow of the Royal Society | 2 July 1896 |
| NLB/12/28 | Copy letter from Michael Foster, to Professor Harry Govier Seeley, Fellow of the Royal Society | 19 November 1895 |
| MC/21/561 | Letter from [Harry Govier] Seeley, 3 Holland Park Court, to Sir Archibald Geikie | 14 November 1906 |
| NLB/20/452 | Copy letter from Robert William Frederick Harrison, to Professor Harry Govier Seeley, Fellow of the Royal Society | 26 April 1900 |
| NLB/20/291 | Copy letter from Robert William Frederick Harrison, to Sir Michael Foster, Secretary, Royal Society | 13 March 1900 |
| NLB/30/493 | Copy letter from Robert William Frederick Harrison, to Professor Harry Govier Seeley, Fellow of the Royal Society | 1 April 1905 |
| NLB/32/535 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 28 March 1906 |
| NLB/38/180 | Copy letter from Robert William Frederick Harrison, to Professor Harry Govier Seeley, Fellow of the Royal Society | 23 June 1908 |
| NLB/39/121 | Copy letter from Robert William Frederick Harrison to Professor H [Harry] G [Govier] Seeley, Fellow of the Royal Society | 27 November 1908 |
| NLB/39/309 | Copy letter from Robert William Frederick Harrison to Professor H [Harry] G [Govier] Seeley, Fellow of the Royal Society | 16 December 1908 |
| NLB/39/366 | Copy letter from Robert William Frederick Harrison to Harrison & Sons | 14 January 1909 |
| NLB/39/458 | Copy letter from Robert William Frederick Harrison to Dr [Arthur] Smith Woodward, Fellow of the Royal Society | 23 January 1909 |
| NLB/39/371 | Copy letter from Robert William Frederick Harrison to W [William] Whitaker, Fellow of the Royal Society | 12 January 1909 |
| NLB/39/370 | Copy letter from Robert William Frederick Harrison to The Secretary, Kings College | 12 January 1909 |
| RR/9/51 | Referee's report by Harry Govier Seeley, on a paper 'An attempt at a complete osteology of hypsilophodon foxii; a British Wealden dinosaur' by John Whitaker Hulke | 18 March 1882 |
| NLB/2/477 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 12 July 1888 |
| RR/10/223 | Referee's report by Henry Woodward, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.—VI. On the anomodont reptilia and their allies' by Harry Govier Seeley | 21 July 1888 |
| RR/11/91 | Referee's report by Henry Woodward, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.–VII. Further observations on pareiasaurus' by Harry Govier Seeley | 2 July 1891 |
| RR/12/236 | Referee's report by John Whitaker Hulke, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.—Part IX., section 5. On the skeleton new Cynodontia from the Karroo rocks' by Harry Govier Seeley | 26 March 1894 |
| RR/10/84 | Referee's report by Thomas Henry Huxley, on the Croonian Lecture 'Researches on the structure, organization, and classification of the fossil Reptilia.—II. On Pareiasaurus bombidens (Owen), and the significance of its affinities to Amphibians, Reptiles, and Mammals' by Harry Govier Seeley | 24 May 1887 |
| RR/11/90 | Referee's report by John Whitaker Hulke, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.–VII. Further observations on pareiasaurus' by Harry Govier Seeley | 8 June 1891 |
| NLB/2/601 | Copy letter from Herbert Rix, to Miss Woodward, 129 Beaufort Street, Chelsea | 24 September 1888 |
| NLB/2/521 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 26 July 1888 |
| NLB/2/412 | Copy letter from Herbert Rix, to John Whitaker Hulke, Fellow of the Royal Society | 8 June 1888 |
| NLB/2/319 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 21 April 1888 |
| NLB/3/115 | Copy letter from Michael Foster, to the Right Honorable Lord Knutsford | 16 March 1889 |
| NLB/3/1092 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 9 January 1890 |
| NLB/8/272 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 18 September 1893 |
| NLB/9/420 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 17 May 1894 |
| NLB/8/1024 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 12 February 1894 |
| NLB/11/417 | Copy letter from Michael Foster, to Sir William Henry Flower, Fellow of the Royal Society | 25 June 1895 |
| NLB/9/930 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 28 July 1894 |
| NLB/12/7 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 16 November 1895 |
| RR/9/364 | Referee's report by Harry Govier Seeley, on a paper 'Supplementary note on Polacanthus Foxii, describing the dorsal and some parts of the endoskeleton imperfectly known in 1881' by John Whitaker Hulke | 11 January 1887 |
| RR/10/85 | Referee's report by William Henry Flower, on the Croonian Lecture 'Researches on the structure, organization, and classification of the fossil Reptilia.—II. On Pareiasaurus bombidens (Owen), and the significance of its affinities to Amphibians, Reptiles, and Mammals' by Harry Govier Seeley | 10 June 1887 |
| RR/12/200 | Referee's report by Harry Govier Seeley, on a paper 'Reptiles from the Elgin sandstone.—Description of two new genera' by Edwin Tulley Newton | 10 February 1894 |
| RR/12/237 | Referee's report by Henry Woodward, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.—Part IX., section 5. On the skeleton new Cynodontia from the Karroo rocks' by Harry Govier Seeley | 21 April 1894 |
| RR/12/199 | Letter from Harry Govier Seeley, to John William Strutt, 3rd Baron Rayleigh, regarding a paper 'Reptiles from the Elgin sandstone.—Description of two new genera' by Edwin Tulley Newton | 10 February 1894 |
| RR/10/83 | Letter from Harry Govier Seeley, to John William Strutt, 3rd Baron Rayleigh, regarding a paper 'Researches on the structure, organization, and classification of the fossil reptilia. - I. On Protoronsaurus speneri (von Meyer)' by Harry Govier Seeley | 21 April 1887 |
| NLB/6 | New Letter Book volume 6, copy letters sent from Royal Society administration | 5 February 1892-9 November 1892 |
| NLB/5/680 | Copy letter from A H White, to Professor Michael Foster [Secretary, Royal Society]' | 4 September 1891 |
| NLB/10/33 | Copy letter from A H White, to Dr Michael Foster, Secretary, Royal Society | 6 September 1894 |
| NLB/10/68 | Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society | 21 September 1894 |
| NLB/9/258 | Copy letter from Herbert Rix, to William Henry Wesley, Royal Astronomical Society | 23 April 1894 |
| RR/10/62 | Referee's report by Harry Govier Seeley, on a paper 'On parts of the skeleton of Meiolania platyceps (Ow.)' by Richard Owen | 14 June 1887 |
| RR/10/81 | Referee's report by Thomas Henry Huxley, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia. - I. On Protoronsaurus speneri (von Meyer)' by Harry Govier Seeley | 11 March 1887 |
| RR/10/86 | Referee's report by Thomas Henry Huxley, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.—III. On parts of the skeleton of a mammal from Triassic rocks of Klipfontein, Fraserberg, South Africa (Theriodesmus phylarchus, Seeley), illustrating the reptilian inheritance in the mammalian hand' by Harry Govier Seeley | 11 November 1887 |
| RR/10/222 | Referee's report by John Whitaker Hulke, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.—VI. On the anomodont reptilia and their allies' by Harry Govier Seeley | 13 July 1888 |
| RR/12/238 | Referee's report by John Whitaker Hulke, on two papers 'Researches on the structure, organization, and classification of the fossil reptilia.—Part IX., section 4. On the Gomphodontia' and 'Researches on the structure, organization, and classification of the fossil reptilia.—Part IX., section 6. Associated remains of two small skeletons from Klipfontein, Fraserburg' by Harry Govier Seeley | 25 July 1894 |
| EC/1879/20 | Seeley, Harry Govier: certificate of election to the Royal Society | |
| RR/10/82 | Referee's report by John Whitaker Hulke, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia. - I. On Protoronsaurus speneri (von Meyer)' by Harry Govier Seeley | 18 March 1887 |
| RR/10/219 | Referee's report by William Henry Flower, on a paper 'Researches on the structure, organisation, and classification of the Fossil Reptilia. IV. On a large humerus from the East Brak River, South Africa, indicating a new order of fossil animals which was more nearly intermediate between reptiles and mammals than the groups hitherto known' by Harry Govier Seeley | 12 June 1888 |
| RR/13/122 | Letter from Harry Govier Seeley, on his paper 'Researches on the structure, organisation, and classification of the fossil reptilia. Part X. On the complete skeleton of an anomodont reptile (Aristodesmus Rütimeyeri, Wiedersheim), from the bunter sandstone of reihen, near basel, giving new evidence of the relation of the anomodontia to the monotremata' to the Secretary of the Royal Society | 7 April 1896 |
| MC/10/80 | Letter from John Phillips, Oxford, to the Royal Society | 5 March 1874 |
| MC/10 | Volume 10 of miscellaneous correspondence regarding business matters, sent to the Royal Society | July 1873-1876 |
| AP/65/8/2 | Unpublished figures, humerus by Harry Govier Seeley | 1888 |
| RR/10/218 | Referee's report by John Whitaker Hulke, on a paper 'Researches on the structure, organisation, and classification of the Fossil Reptilia. IV. On a large humerus from the East Brak River, South Africa, indicating a new order of fossil animals which was more nearly intermediate between reptiles and mammals than the groups hitherto known' by Harry Govier Seeley | 5 May 1888 |
| RR/13/119 | Referee's report by Edwin Ray Lankester, on a paper 'Researches on the structure, organisation, and classification of the fossil reptilia. Part X. On the complete skeleton of an anomodont reptile (Aristodesmus Rütimeyeri, Wiedersheim), from the bunter sandstone of reihen, near basel, giving new evidence of the relation of the anomodontia to the monotremata' by Harry Govier Seeley | 28 February 1896 |
| RR/13/117 | Referee's report by Henry Woodward, on a paper 'Researches on the structure, organisation, and classification of the fossil reptilia. Part X. On the complete skeleton of an anomodont reptile (Aristodesmus Rütimeyeri, Wiedersheim), from the bunter sandstone of reihen, near basel, giving new evidence of the relation of the anomodontia to the monotremata' by Harry Govier Seeley | 1 January 1896 |
| AP/72/2bis | Unpublished paper, 'Researches on the structure, organization and classification of the fossil Reptilia: Part X. On the complete skeleton of an Anomodont reptile (Aristodesmus Rütimeyeri, Wiedersheim), from the Bunter sandstone [Buntsandstein] of Reihen, near Basel [Switzerland], giving new evidence of the relation of the Anomodontia to the Monotremata' by H G [Harry Govier] Seeley | 1895 |
| PP/11/10 | Paper, 'On the bone in crocodilia commonly regarded as the os pubis and its representative among extinct reptilia' by Harry Govier Seeley | 1887 |
| PP/12/6/1 | Manuscript, 'On the nature and limits of reptilian character in mammalian teeth' by Harry Govier Seeley | 1888 |
| PP/11/7/2 | Figures, Dinosauria bones by Harry Govier Seeley | 1887 |
| PP/11/10/2 | Figure, 'Pelvic cartilage of Crocodilus [Crocodylus] palustris [mugger crocodile]' by Harry Govier Seeley | 1887 |
| PP/12/6 | Paper, 'On the nature and limits of reptilian character in mammalian teeth' by Harry Govier Seeley | 1888 |
| PP/12/6/2 | Figures, teeth by Harry Govier Seeley | 1888 |
| PP/20/20 | Paper, 'On the shoulder girdle in Ichthyosauria and Sauropterygia' by John Whitaker Hulke | 1892 |
| PP/20/20/1 | Manuscript, 'On the shoulder girdle in Ichthyosauria and Sauropterygia' by John Whitaker Hulke | 1892 |
| PP/19/11 | Paper, 'The nature of the shoulder girdle and clavicular arch in Sauropterygia' by Harry Govier Seeley | 1892 |
| PP/11/7 | Paper, 'On the classification of the fossil animals commonly named Dinosauria' by Harry Govier Seeley | 1887 |
| RR/12/239 | Referee's report by Henry Woodward, on two papers 'Researches on the structure, organization, and classification of the fossil reptilia.—Part IX., section 4. On the Gomphodontia' and 'Researches on the structure, organization, and classification of the fossil reptilia.—Part IX., section 6. Associated remains of two small skeletons from Klipfontein, Fraserburg' by Harry Govier Seeley | 3 August 1894 |
| RR/15/89 | Referee's report by Harry Govier Seeley, on a paper 'Extinct mammalia from Madagascar. I. Megaladapis insignis sp. n.' by Charles Immanuel Forsyth Major | 13 March 1900 |
| PP/22/13 | Paper, 'Further observations on the shoulder girdle and clavicular arch in the Ichthyosauria and Sauropterygia' by Harry Govier Seeley | 1893 |
| RR/10/87 | Referee's report by William Henry Flower, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.—III. On parts of the skeleton of a mammal from Triassic rocks of Klipfontein, Fraserberg, South Africa (Theriodesmus phylarchus, Seeley), illustrating the reptilian inheritance in the mammalian hand' by Harry Govier Seeley | 22 November 1887 |
| RR/10/199 | Referee's report by Harry Govier Seeley, on a paper 'On the skull, brain, and auditory organ a new species of Pterosaurian (Scaphognathus purdoni), from the upper lias near Whitby, Yorkshire' by Edwin Tulley Newton | 11 April 1888 |
| RR/10/220 | Referee's report by John Whitaker Hulke, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.—V. On associated bones of a small anomodont reptile, keirognathus cordylus (Seeley), showing the relative dimensions of the anterior parts of the skeleton, and structure of the fore-limb and shoulder girdle' by Harry Govier Seeley | 5 May 1888 |
| RR/10/221 | Referee's report by William Henry Flower, on a paper 'Researches on the structure, organization, and classification of the fossil reptilia.—V. On associated bones of a small anomodont reptile, keirognathus cordylus (Seeley), showing the relative dimensions of the anterior parts of the skeleton, and structure of the fore-limb and shoulder girdle' by Harry Govier Seeley | 13 June 1888 |
| RR/12/34 | Referee's report by John Whitaker Hulke, on a paper 'Researches on the structure, organization, and classification of the fossil ilia.-VIII. Further evidences of the skeleton in Deuterosaurus and Rhopalodon, from the Permian rocks of Russia' by Harry Govier Seeley | 20 July 1893 |
| RR/12/35 | Referee's report by Henry Woodward, on a paper 'Researches on the structure, organization, and classification of the fossil ilia.-VIII. Further evidences of the skeleton in Deuterosaurus and Rhopalodon, from the Permian rocks of Russia' by Harry Govier Seeley | 26 July 1893 |
| RR/13/118 | Referee's report by Richard Lydekker, on a paper 'Researches on the structure, organisation, and classification of the fossil reptilia. Part X. On the complete skeleton of an anomodont reptile (Aristodesmus Rütimeyeri, Wiedersheim), from the bunter sandstone of reihen, near basel, giving new evidence of the relation of the anomodontia to the monotremata' by Harry Govier Seeley | 7 January 1896 |
| RR/13/120 | Letter from Harry Govier Seeley, on his paper 'Researches on the structure, organisation, and classification of the fossil reptilia. Part X. On the complete skeleton of an anomodont reptile (Aristodesmus Rütimeyeri, Wiedersheim), from the bunter sandstone of reihen, near basel, giving new evidence of the relation of the anomodontia to the monotremata' to the Secretary of the Royal Society | 25 March 1896 |
| RR/13/121 | Report from Harry Govier Seeley, on his paper 'Researches on the structure, organisation, and classification of the fossil reptilia. Part X. On the complete skeleton of an anomodont reptile (Aristodesmus Rütimeyeri, Wiedersheim), from the bunter sandstone of reihen, near basel, giving new evidence of the relation of the anomodontia to the monotremata' | 2 April 1896 |
| RR/13/123 | Letter from Edwin Ray Lankester, on a paper 'Researches on the structure, organisation, and classification of the fossil reptilia. Part X. On the complete skeleton of an anomodont reptile (Aristodesmus Rütimeyeri, Wiedersheim), from the bunter sandstone of reihen, near basel, giving new evidence of the relation of the anomodontia to the monotremata' by Henry Govier Seeley to the Secretary of the Royal Society | 17 May 1896 |
| RR/12/234 | Referee's report by John Whitaker Hulke, on three papers 'Researches on the structure, organisation and classification of the fossil reptilia.—Part IX., Section 1. On the Therosuchia', 'Researches on the structure, organization, and classification of the fossil reptilia.—Part IX., Section 2. The reputed mammals from the Karroo formation of Cape Colony' and 'Researches on the structure, organization, and classification of the fossil reptilia. -Part IX., Section 3. On Diademodon' by Harry Govier Seeley | 3 February 1894 |
| RR/12/235 | Referee's report by Henry Woodward, on three papers 'Researches on the structure, organisation and classification of the fossil reptilia.—Part IX., Section 1. On the Therosuchia', 'Researches on the structure, organization, and classification of the fossil reptilia.—Part IX., Section 2. The reputed mammals from the Karroo formation of Cape Colony' and 'Researches on the structure, organization, and classification of the fossil reptilia. -Part IX., Section 3. On Diademodon' by Harry Govier Seeley | 21 February 1894 |
| MC/14/363 | Letter from Harry Govier Seeley, Sevenoaks, to Professor Michael Foster, Secretary of the Royal Society | 12 December 1888 |
| PP/11/7/1 | Manuscript, 'On the classification of the fossil animals commonly named Dinosauria' by Harry Govier Seeley | 1887 |
| PP/11/10/1 | Manuscript, 'On the bone in crocodilia commonly regarded as the os pubis and its representative among extinct reptilia' by Harry Govier Seeley | 1887 |
| MC/15/27 | Letter from Edward Wingfield, Downing Street, to the Secretary of the Royal Society | 19 March 1889 |
| MC/16/228 | Letter from Henry Govier Seeley, 25 Palace Gardens Terrace, to Professor [Michael] Foster, Secretary of the Royal Society | 14 June 1895 |
| MC/14 | Volume 14 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1885-1888 |
| MC/15/34 | Letter from [Philip Henry Wodehouse] Currie, Foreign Office, to the Secretary of the Royal Society | 11 April 1889 |
| MC/15 | Volume 15 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1889-1892 |
| MC/15/307 | Letter from [Harry Govier] Seeley, 25 Palace Gardens Terrace, Kensington, to [Mcihael] Foster | 6 October 1892 |
| MC/16 | Volume 16 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1893-1896 |
| AP/65/8/1 | Unpublished manuscript, 'Researches on the structure, organization and classification of the Fossil Reptilia. Part IV: On a large humerus from the East Brak River, South Africa, indicating a new order of fossil animals, which was more nearly intermediate between reptiles and mammals, than the groups hitherto known' by H G [Harry Govier] Seeley | 1888 |
| AP/65/8 | Unpublished paper, 'Researches on the structure, organization and classification of the Fossil Reptilia. Part IV: On a large humerus from the East Brak River, South Africa, indicating a new order of fossil animals, which was more nearly intermediate between reptiles and mammals, than the groups hitherto known' by H G [Harry Govier] Seeley | 1888 |
| MC/21 | Volume 21 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1906 |
| NLB/34/4 | Copy letter from Archibald Geikie, to Professor [Harry Grovier Seeley], Fellow of the Royal Society | 15 November 1906 |