| RefNo | Title | Date |
| IM/002627 | Lankester, Sir Edwin Ray | nd |
| VF/20 | Portrait of Sir Edwin Ray Lankester by Sir Leslie Ward | 12 January 1905 |
| EC/1875/26 | Lankester, Sir Edwin Ray: certificate of election to the Royal Society | |
| MM/21/15 | 'Daily Telegraph' obituary of Edwin Ray Lankester | 16 August 1929 |
| MM/16/63 | Incomplete letter from E Ray Lankester, British Museum | |
| MM/9/12 | Letter from T H Huxley, 4 Marlborough Place, Abbey Road, London, to Sir John Evans | 27 June 1887 |
| MC/28/172 | Letter from [Edwin] Ray Lankester, 29 Thurloe Plae, South Kensington, to The Secretaries of the Royal Society | 8 November 1913 |
| MM/21/14 | Letter from Edwin Ray Lankester to JF Boyes | nd |
| CMB/50/55 | Minutes, meeting of the Tropical Diseases Committee | 24 July 1907 |
| CMB/15/36 | Copy, letter from E Ray Lankester to Sir Michael Foster | 16 September 1903 |
| NLB/23/1/378 | Copy letter from Sir Michael Foster, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | [2] November 1901 |
| NLB/34/55 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 21 November 1906 |
| NLB/4/221 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 17 March 1890 |
| NLB/24/362 | Copy letter from Sir Michael Foster, to Professor [Edwin] R[ay] Lankester, [Fellow of the Royal Society] | 2 May 1902 |
| NLB/1/734 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 19 November 1887 |
| NLB/11/596 | Copy letter from Herbert Rix, to Professor Michael Foster | 30 July 1895 |
| NLB/1/360 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 January 1887 |
| NLB/2/260 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 14 March 1888 |
| NLB/4/441 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 29 May 1890 |
| NLB/2/140 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 31 January 1888 |
| NLB/2/230 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 March 1888 |
| NLB/2/536 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 July 1888 |
| NLB/2/502 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 20 July 1888 |
| NLB/4/44 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 27 January 1890 |
| NLB/14/463 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Chairman of the Zoology Committee | 16 March 1897 |
| NLB/2/606 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 25 September 1888 |
| NLB/1/671 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 1 November 1887 |
| NLB/3/856 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 October 1889 |
| RR/10/201 | Referee's report by Edwin Ray Lankester, on a paper 'On the skull of a marsupial carnivore Thylacopardus australis' by Richard Owen | 14 November 1888 |
| NLB/4/282 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 10 April 1890 |
| NLB/4/428 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 May 1890 |
| NLB/3/83 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 11 March 1889 |
| NLB/3/88 | Copy letter from Herbert Rix, to Professor Michael Foster, [Royal Society] | 11 March 1889 |
| NLB/4/911 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 November 1890 |
| NLB/3/321 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 7 May 1889 |
| NLB/3/528 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | 5 July 1889 |
| NLB/4/1070 | Copy letter from Herbert Rix, to Dr Armstrong, Professor Arthur William Rucker and Professor Edwin Ray Lankester | 12 January 1891 |
| NLB/4/1169 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 3 February 1891 |
| NLB/3/416 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 4 June 1889 |
| NLB/3/554 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 10 July 1889 |
| NLB/3/543 | Copy letter from Herbert Rix, to John Evans, Fellow of the Royal Society | 8 July 1889 |
| NLB/15/814 | Copy letter from Michael Foster, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | [December 1897] |
| NLB/3/629 | Copy letter from Herbert Rix, to Professor Edward Albert Schafer, Fellow of the Royal Society | 26 July 1889 |
| NLB/6/817 | Copy letter from Herbert Rix, to Professor Michael Foster | 19 July 1892 |
| NLB/3/681 | Copy letter from Alfred H White, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 7 September 1889 |
| NLB/6/629 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 16 June 1892 |
| NLB/6/593 | Copy letter from Herbert Rix, to Professor Michael Foster | 8 June 1892 |
| NLB/6/701 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 29 June 1892 |
| NLB/7/192 | Copy letter from Herbert Rix, to Sir Joseph Lister, Fellow of the Royal Society | 19 December 1892 |
| NLB/6/610 | Copy letter from Herbert Rix, to Professor Michael Foster | 11 June 1892 |
| NLB/3/1069 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 3 January 1890 |
| NLB/3/1090 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 8 January 1890 |
| NLB/5/141 | Copy letter from Herbert Rix, to Messrs Clay & Sons | 2 April 1891 |
| NLB/13/244 | Copy letter from Robert William Frederick Harrison, to W F H Blandford, 48 Wimpole Street, W. | 9 July 1896 |
| NLB/5/390 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 2 June 1891 |
| NLB/7/330 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 23 January 1893 |
| NLB/7/191 | Copy letter from Herbert Rix, to Sir Henry Enfield Roscoe, Fellow of the Royal Society | 19 December 1892 |
| NLB/7/163 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 13 December 1892 |
| NLB/7/194 | Copy letter from Herbert Rix, to Monsieur le Professeur [Jacques-Joseph] Grancher, au Secretariat Institut de France | 19 December 1892 |
| NLB/10/121 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester | 3 October 1894 |
| NLB/7/439 | Copy letter from Herbert Rix, to Professor Michael Foster | 18 February 1893 |
| NLB/12/365 | Copy letter from Herbert Rix, to Sidney Frederic Harmer, King's College | 6 February 1896 |
| NLB/7/1017 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 16 June 1893 |
| NLB/7/1023 | Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt] | 16 June 1893 |
| NLB/25/806 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 January 1903 |
| NLB/4/245 | Copy letter from Herbert Rix, to Professor Ray Edwin Lankester, Fellow of the Royal Society | 24 March 1890 |
| NLB/11/259 | Copy letter from Michael Foster, to Professor Edwin Ray Lankester, Fellow of the Royal Society and Sir John Evans, Treasurer, Royal Society | 21 May 1895 |
| NLB/11/883 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society, 2 Bradmore Road, Oxford | 26 October 1895 |
| NLB/11/752 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester | 1 October 1895 |
| NLB/9/268 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 April 1894 |
| NLB/15/18 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | 4 June 1897 |
| NLB/9/591 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 11 June 1894 |
| NLB/11/375 | Copy letter from Herbert Rix, to Sir John Evans, Treasurer, Royal Society | 18 June 1895 |
| NLB/20/466 | Copy letter from an unknown correspondent, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 April 1900 |
| NLB/13/313 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 23 July 1896 |
| NLB/11/605 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 31 July 1895 |
| NLB/11/644 | Copy letter from Theodore E James, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 23 August 1895 |
| NLB/12/169 | Copy letter from Herbert Rix, to Osbert Salvin, Fellow of the Royal Society | 23 December 1895 |
| NLB/13/324 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 July 1896 |
| NLB/4/674 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 18 September 1890 |
| NLB/11/963 | Copy letter from Herbert Rix, to Admiral Sir George Henry Richards, Fellow of the Royal Society | 9 November 1895 |
| NLB/13/61 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 3 June 1896 |
| NLB/12/131 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 12 December 1895 |
| NLB/18/597 | Copy letter from Robert William Frederick Harrison, to Professor [E Ray] Lankester, Fellow of the Royal Society | 8 April 1899 |
| NLB/14/68 | Copy letter from Theodore E James, to Messrs Harrison & Sons | 22 December 1896 |
| NLB/14/835 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | 26 May 1897 |
| NLB/13/454 | Copy letter from Theodore E James, to Professor Edwin Ray Lankester, fellow of the Royal Society | 14 September 1896 |
| NLB/13/305 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester | 23 July 1896 |
| NLB/13/285 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | 21 July 1896 |
| NLB/15/752 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 1 November 1897 |
| NLB/13/502 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, 76 Jermyn Street, W. | 30 September 1896 |
| NLB/13/618 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 17 October 1896 |
| NLB/13/810 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 1 December 1896 |
| NLB/12/2 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 16 November 1895 |
| NLB/12/71 | Copy letter from Herbert Rix, to Mr Pilbeam, Whitehall Rooms | 3 December 1895 |
| NLB/15/879 | Copy letter from Theodore E James, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 5 January 1898 |
| NLB/12/128 | Copy letter from Herbert Rix, to Sir Joseph Lister, President of the Royal Society | 12 December 1895 |
| NLB/12/105 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 6 December 1895 |
| NLB/12/244 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 13 January 1896 |
| NLB/19 | New Letter Book volume 19, copy letters sent from Royal Society administration | 1 June 1899-10 January 1900 |
| NLB/35 | New Letter Book volume 35, copy letters sent from Royal Society administration | 26 March 1907-22 July 1907 |
| NLB/14/370 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Chairman of the Zoological Committee | 26 February 1897 |
| NLB/14/81 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 23 December 1896 |
| NLB/14/263 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 5 February 1897 |
| NLB/14/304 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 12 February 1897 |
| NLB/14/334 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Chairman of the Zoology Committee | 19 February 1897 |
| RR/15/367 | Referee's report by Edwin Ray Lankester, on a paper 'The development of echinus esculentus together with some points in the development of E. Miliaris and E. Acutus' by Ernest William MacBride | 30 April 1902 |
| RR/15/91 | Referee's report by Edwin Ray Lankester, on a paper 'Extinct mammalia from Madagascar. I. Megaladapis insignis sp. n.' by Charles Immanuel Forsyth Major | March 1900 |
| NLB/14/409 | Copy letter from Michael Foster, to Professor Edwin Ray Lankester | 5 March 1897 |
| NLB/14/728 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 4 May 1897 |
| NLB/14/411 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 March 1897 |
| NLB/16/269 | Copy letter from Robert William Frederick Harrison, to Professor Foster, [Fellow of the Royal Society], Great Shelford, Cambridge | [4 March 1898] |
| NLB/15 | New Letter Book volume 15, copy letters sent from Royal Society administration | 3 June 1897-11 January 1898 |
| NLB/16/252 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 2 March 1898 |
| NLB/16/96 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 29 January 1898 |
| NLB/14/848 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 May 1897 |
| RR/16/370 | Referee's report by Edwin Ray Lankester, on a paper 'Note on a fagellate parasite found in culex fatigans' by Major Ronald Ross | December 1905 |
| RR/16/63 | Memoranda from Robert William Frederick Harrison, and reply from Edwin Ray Lankester, on a paper 'On Two Orders of Arachinida Opiliones, especially the Suborder Cyphophthalmi' by H J Hansen and William Sorensen | 29 May 1903 |
| NLB/52/413 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor I. Gollanoz, Secretary of the British Academy | 1 December 1915 |
| RR/17/28 | Referee's report by Edwin Ray Lankester, on a paper 'Observations on the life-history of Adelea ovata, aimé schneider, with a note on a new gregarine from the gut of Lithobius forficatus' by Cecil Clifford Dobell | [December 1906] |
| RR/16/260 | Referee's report by Edwin Ray Lankester, on a paper 'The heterogenetic origin of certain ciliated infusoria from the eggs of a rotifer' by Henry Charlton Bastian | 27 February 1905 |
| NLB/15/118 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 30 June 1897 |
| NLB/16/536 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 26 April 1898 |
| RR/16/64 | Referee's report by Edwin Ray Lankester, on a paper 'On Two Orders of Arachinida Opiliones, especially the Suborder Cyphophthalmi' by H J Hansen and William Sorensen | June 1903 |
| NLB/16/2 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 11 January 1898 |
| NLB/18/490 | Copy letter from R Chapman, to Professor E Ray Lankester, Fellow of the Royal Society | 21 March 1899 |
| NLB/24/85 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 26 February 1902 |
| NLB/16/50 | Copy letter from Michael Foster, to [Professor E Ray] Lankester | [21] January 1898] |
| NLB/19/112 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 June 1899 |
| NLB/15/635 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 9 November 1897 |
| NLB/15/228 | Copy letter from Robert William Frederick Harrison, to Professor Edward Albert Sharpey-Schafer, Professor George Howard Darwin, Professor Edwin Ray Lankester, Sir Archibald Geikie, William Turner Thiselton-Dyer, and Richard Tetley Glazebrook, Fellow of the Royal Society | 20 July 1897 |
| NLB/16/62 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 22 January 1898 |
| NLB/16/144 | Copy letter from Robert William Frederick Harrison, to Professor Ray E Lankester, Fellow of the Royal Society | 9 February 1898 |
| NLB/15/427 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, 40 Nottingham Place, W. | 1 October 1897 |
| NLB/16/308 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 12 March 1898 |
| NLB/16/174 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 15 February 1898 |
| NLB/15/8 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, 40 Nottingham Place, W. | 4 June 1897 |
| NLB/16/264 | Copy letter from Michael Foster, to Professor E Ray Lankester, Fellow of the Royal Society | 3 March 1898 |
| NLB/16/429 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 4 April 1898 |
| NLB/52/552 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir Edwin Ray Lankester, FRS | 11 January 1916 |
| NLB/16/273 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 5 March 1898 |
| NLB/16/329 | Copy letter from Michael Foster, to Professor E Ray Lankester, Fellow of the Royal Society | 18 March 1898 |
| NLB/16/468 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 19 April 1898 |
| NLB/15/795 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 10 December 1897 |
| NLB/17/620 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 November 1898 |
| NLB/17/52 | Copy letter from Michael Foster, to Joseph Chamberlain, Her Majesty's Secretary of State for the Colonies | 7 July 1898 |
| NLB/20/691 | Copy telegram from an unknown correspondent, to Edwin Ray Lankester, [Fellow of the Royal Society], Natural History Museum, Cromwell Road | [18 June 1900] |
| NLB/18/12 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 22 December 1898 |
| NLB/16/719 | Copy letter from Robert William Frederick Harrison, to W T Thiselton-Dyer, Fellow of the Royal Society | 25 May 1898 |
| NLB/16/867 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 22 June 1898 |
| NLB/20/546 | Copy letter from Robert William Frederick Harrison, to Miss Emett, Natural History Museum, S.W. | 19 May 1900 |
| NLB/16/809 | Copy letter from Edwin Ray Lankester (Chairman of the Zoology Committee) and W T Thiselton-Dyer, to Professor Michael Foster | 14 June 1898 |
| NLB/18/62 | Copy letter from [Theodore E James], to Messrs Harrison & Sons | [9 January 1899] |
| NLB/16/818 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society, 40 Nottingham Place, W. | Undated |
| NLB/19/94 | Copy letter from Michael Foster, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | [17 June 1899] |
| NLB/17/427 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, British Museum (Natural History), Cromwell Road, London | 28 October 1898 |
| NLB/16/870 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society, 40 Nottingham Place, W. | 23 June 1898 |
| NLB/18/384 | Copy letter from Robert William Frederick Harrison, to Professor [W D] Halliburton, Fellow of the Royal Society | 2 March 1899 |
| NLB/18/671 | Copy letter from Michael Foster, to [Professor E Ray] Lankester | 20 April 1899 |
| NLB/17/626 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Director of the Natural History Museum, South Kensington, S.W. | 28 November 1898 |
| NLB/17/703 | Copy letter from Robert William Frederick Harrison, to Dr Samuel Rickard Christophers, [Fellow of the Royal Society], Euston Hotel | 9 December 1898 |
| NLB/17/789 | Copy letter from Robert William Frederick Harrison, to Lord Joseph Lister, Professor Edwin Ray Lankester and Sir John Kirk, President and Fellows of the Royal Society | 20 December 1898 |
| NLB/18/157 | Copy letter from Michael Foster, to [Professor E Ray] Lankester | 27 January 1899 |
| NLB/19/128 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 27 June 1899 |
| NLB/19/629 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Chairman of the Zoology Committee | 13 November 1899 |
| NLB/18/509 | Copy letter from Robert William Frederick Harrison, to Lord Lister, President of the Royal Society | 24 March 1899 |
| NLB/18/182 | Copy letter from Robert William Frederick Harrison, to Professor Foster, Great Shelford | [31 January 1899] |
| NLB/19/277 | Copy letter from Robert William Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 26 July 1899 |
| NLB/19/350 | Copy letter from Michael Foster, to Edwin Ray Lankester, [Fellow of the Royal Society] | 22 August 1899 |
| NLB/18/412 | Copy letter from Michael Foster, to [Professor E Ray] Lankester, [Fellow of the Royal Society] | 7 March 1899 |
| NLB/18/382 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 2 March 1899 |
| NLB/19/538 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 27 October 1899 |
| NLB/19/620 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 10 November 1899 |
| NLB/19/546 | Copy letter from Arthur William Rucker, to Edwin Ray Lankester, [Fellow of the Royal Society] | 30 October 1899 |
| NLB/19/642 | Copy letter from Robert William Frederick Harrison, to Sir Michael Foster, Secretary, Royal Society | 15 November 1899 |
| NLB/19/735 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 7 December 1899 |
| NLB/19/775 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 15 December 1899 |
| NLB/19/796 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Chairman of the Zoology Sectional Committee | 21 December 1899 |
| NLB/19/670 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 21 November 1899 |
| NLB/20/443 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 26 April 1900 |
| NLB/20/271 | Copy letter from Robert William Frederick Harrison, to Dr Patrick Manson, [Fellow of the Royal Society], 21 Queen Anne Street | 9 March 1900 |
| NLB/20/281 | Copy letter from Robert William Frederick Harrison, to Professor William Abbott Herdman, Fellow of the Royal Society | 12 March 1900 |
| NLB/20/310 | Copy letter from Robert William Frederick Harrison, to Adam Sedgwick, Fellow of the Royal Society | 20 March 1900 |
| NLB/20/321 | Copy letter from Robert William Frederick Harrison, to Adam Sedgwick, Fellow of the Royal Society | 22 March 1900 |
| NLB/20/674 | Copy letter from an unknown correspondent, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 14 June 1900 |
| NLB/20/729 | Copy letter from Robert William Frederick Harrison, to Dr Thomas Edward Thorpe, Foreign Secretary, Royal Society | 26 June 1900 |
| NLB/21/119 | Copy letter from Theodore E James, to Professor Edwin Ray Lankester, Fellow of the Royal Society | [31 July 1900] |
| NLB/23/2/281 | Copy letter from Joseph Larmor, to Edwin Ray Lankester, Fellow of the Royal Society | 23 January 1903 |
| NLB/21/272 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Sir John Kirk, Professor Thomas Clifford Allbutt, Dr Patrick Manson, Sir John Scott Burdon-Sanderson, [Fellow of the Royal Society] | 16 October 1900 |
| NLB/21/669 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 5 January 1901 |
| NLB/22/286 | Copy letter from Robert William Frederick Harrison, to [Edwin] Ray Lanketer, Fellow of the Royal Society | 3 April 1901 |
| NLB/22/687 | Copy letter from Robert William Frederick Harrison, to Professor [Edwin Ray] Lankester, [Fellow of the Royal Society] | 26 June 1901 |
| NLB/22/756 | Copy letter from unknown correspondent, to Professor [Edwin Ray] Lankester, Fellow of the Royal Society | 10 July 1901 |
| NLB/21/421 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | 16 November 1900 |
| NLB/21/652 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 3 January 1901 |
| NLB/22/583 | Copy letter from Robert William Frederick Harrison, to Sir [Edwin] Ray Lankester, Fellow of the Royal Society | 10 June 1901 |
| NLB/23/2/51 | Copy letter from Sir Michael Foster, to Professor [Edwin] Ray Lankester, Fellow of the Royal Society | 26 March 1901 |
| NLB/23/1/379 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | [2 November 1901] |
| NLB/23/1/403 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | [6 November 1901] |
| NLB/23/1/402 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 November 1901 |
| NLB/23/1/523 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 November 1901 |
| NLB/23/2/334 | Copy letter sent from Sir Michael Foster, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 12 May 1903 |
| NLB/23/1/570 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 5 December 1901 |
| NLB/24/539 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 31 May 1902 |
| NLB/24/835 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 18 July 1902 |
| NLB/23/1/870 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 10 February 1902 |
| NLB/24/55 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 21 February 1902 |
| NLB/27/89 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 29 June 1903 |
| NLB/26/89 | Copy letter from Robert William Frederick Harrison to, Professor Edwin Ray Lankester, Fellow of the Royal Society | 26 February 1903 |
| NLB/25/572 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 21 November 1902 |
| NLB/27/429 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 23 September 1903 |
| NLB/24/644 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 11 June 1902 |
| NLB/31/682 | Copy telegram from Archibald Geikie, to Professor Edwin Ray Lankester, [Fellow of the Royal Society], Natural History Museum, Cromwell Road | [1 November 1905] |
| NLB/24/782 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 11 July 1902 |
| NLB/26/25 | Copy letter from Joseph Larmor to, Professor Edwin Ray Lankester, Fellow of the Royal Society | 13 January 1903 |
| NLB/26/15 | Copy letter from Robert William Frederick Harrison to, Professor Edwin Ray Lankester, Fellow of the Royal Society, British Museum (Natural History) | 14 January 1903 |
| NLB/27/85 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 29 June 1903 |
| NLB/27/95 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, British Museum (Natural History) | 30 June 1903 |
| NLB/27/202 | Copy letter from Robert William Frederick Harrison, to the Director, British Museum (Natural History), [Edwin Ray Lankester, Fellow of the Royal Society] | 17 July 1903 |
| NLB/26/295 | Copy letter from Robert William Frederick Harrison to, Professor Edwin Ray Lankester, Fellow of the Royal Society, British Museum (Natural History) | 25 February 1903 |
| NLB/31/353 | Copy letter from [Joseph Larmor], to Professor Edwin Ray Lankester, Fellow of the Royal Society | 19 August 1905 |
| NLB/27/420 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 21 September 1903 |
| NLB/27/428 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 23 September 1903 |
| NLB/27/434 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 23 September 1903 |
| NLB/26/792 | Copy letter from Robert William Frederick Harrison to, Professor Edwin Ray Lankester, Fellow of the Royal Society | [May 1903] |
| NLB/27/802 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 2 December 1903 |
| NLB/28/48 | Copy letter from [Robert William Frederick Harrison] to the Chairman of the Zoology Committee | 23 December 1903 |
| NLB/27/747 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 November 1903 |
| NLB/28/233 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 3 February 1904 |
| NLB/30/55 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | 21 January 1905 |
| NLB/28/220 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Chairman of the Tropical Diseases Committee | 1 February 1904 |
| NLB/30/5 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 16 January 1905 |
| NLB/30/132 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 3 February 1905 |
| NLB/28/249 | Copy letter from Joseph Larmor, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 4 February 1904 |
| NLB/30/164 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 7 February 1905 |
| NLB/28/268 | Copy letter from Joseph Larmor, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 February 1904 |
| NLB/30/168 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 8 February 1905 |
| NLB/29/138 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Chairman of the Tropical Diseases Committee | 12 July 1904 |
| NLB/30/289 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, [Fellow of the Royal Society] | 27 February 1905 |
| NLB/30/330 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 March 1905 |
| NLB/28/307 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 15 February 1904 |
| NLB/30/345 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 9 March 1905 |
| NLB/30/439 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, [Fellow of the Royal Society] | 24 March 1905 |
| NLB/30/488 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 31 March 1905 |
| NLB/29/641 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Chairman of the Tropical Diseases Committee | 17 November 1904 |
| MC/19/531 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 9 June 1904 |
| NLB/51/26 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Sir Ray Lankester KCB, FRS | 20 November 1914 |
| NLB/30/571 | Copy memoranda regrading the cause of Sleeping Sickness, signed by J Rose Bradford, David Bruce, E Ray Lankester, M Foster, J Lister, Ronald Ross, J Burdon-Sanderson, C S Sherrington, and Dr F W Mott, [Fellows of the Royal Society] | [April 1905] |
| NLB/30/742 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 16 May 1905 |
| NLB/30/644 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 2 May 1905 |
| NLB/30/693 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester Fellow of the Royal Society | 8 May 1905 |
| NLB/30/708 | Copy letter from Archibald Geikie, to [Edwin Ray] Lankester, Fellow of the Royal Society | 10 May 1905 |
| NLB/32/375 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 1 March 1906 |
| NLB/31/23 | Copy letter from Archibald Geikie, to [Professor Edwin Ray] Lankester, [Fellow of the Royal Society] | 9 June 1905 |
| NLB/31/253 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, [Fellow of the Royal Society] | 15 July 1905 |
| NLB/31/365 | Copy letter from [Joseph Larmor], to Director of the Natural History Museum [Edwin Ray Lankester, Fellow of the Royal Society] | 23 August 1905 |
| NLB/28/870 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 8 June 1904 |
| NLB/32/229 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 31 January 1906 |
| NLB/31/470 | Copy letter from Robert William Frederick Harrison, to the Director, Natural History Museum [Edwin Ray Lankester, Fellow of the Royal Society] | 25 September 1905 |
| NLB/29/589 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 10 November 1904 |
| NLB/29/622 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 15 November 1904 |
| NLB/29/621 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Chairman of the Tropical Diseases Committee | 15 November 1904 |
| NLB/29/556 | Copy letter from Archibald Geikie, to [Edwin Ray] Lankester, [Fellow of the Royal Society] | 4 November 1904 |
| NLB/29/571 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 7 November 1904 |
| NLB/31/635 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, the Common, Sunningdale, Surrey | 23 October 1905 |
| NLB/29/637 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 17 November 1904 |
| NLB/31/641 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 October 1905 |
| NLB/31/454 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 21 September 1905 |
| NLB/31/544 | Copy letter from Archibald Geikie, to [Edwin Ray] Lankester, [Fellow of the Royal Society] | 9 October 1905 |
| NLB/31/504 | Copy letter from Archibald Geikie, to Professor [Edwin Ray] Lankester, [Fellow of the Royal Society] | 22 October 1905 |
| NLB/32/254 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | 6 February 1906 |
| NLB/29/697 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 26 November 1904 |
| MC/20/94 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 8 February 1905 |
| NLB/29/825 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 15 December 1904 |
| NLB/32/360 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | 27 February 1906 |
| NLB/33/49 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 22 June 1906 |
| NLB/31/667 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | 27 October 1905 |
| NLB/29/853 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 22 December 1904 |
| NLB/33/82 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 27 June 1906 |
| NLB/34/20 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 19 November 1906 |
| NLB/33/165 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, [Fellow of the Royal Society] | 7 July 1906 |
| NLB/33/432 | Copy letter from Theodore E James, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 29 August 1906 |
| NLB/33/217 | Copy letter from Archibald Geikie, to [Edwin Ray] Lankester, [Fellow of the Royal Society] | 19 July 1906 |
| NLB/29/846 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 21 December 1904 |
| NLB/34/17 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 17 November 1906 |
| NLB/32/691 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Assistant Secretary, Royal Society | 8 May 1906 |
| NLB/36/225 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society, Thickness Cottage, Felixstow, Suffolk | 24 September 1907 |
| NLB/33/806 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 November 1906 |
| NLB/36/210 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 18 September 1907 |
| NLB/35/176 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 29 April 1907 |
| NLB/36/155 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 27 August 1907 |
| NLB/35/163 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 26 April 1907 |
| NLB/34/95 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 27 November 1906 |
| NLB/34/764 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 March 1907 |
| NLB/35/238 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 3 May 1907 |
| NLB/34/219 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 13 December 1906 |
| NLB/36/736 | Copy letter from Arch [Archibald] Geikie, to Sir Edwin Ray Lankester, [Fellow of the Royal Society] | 9 December 1907 |
| NLB/34/664 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 23 February 1907 |
| NLB/35/830 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 20 July 1907 |
| MC/23/257 | Letter from [Edwin] Ray Lankester, Hotels St James & D'Albany, Paris, to Mr [Robert] Harrison, [The Royal Society] | 4 May 1908 |
| NLB/37/392 | Copy letter from Robert William Frederick Harrison to Sir [Edwin] Ray Lankester, KCB, Fellow of the Royal Society | 12 March 1908 |
| NLB/37/367 | Copy letter from Robert William Frederick Harrison to Sir [Edwin] Ray Lankester, KCB, Fellow of the Royal Society | 10 March 1908 |
| NLB/39/738 | Copy letter from Robert William Frederick Harrison to Sir E Ray Lankester, KCB, Fellow of the Royal Society, 29 Thurloe Place, SW | 5 March 1909 |
| NLB/39/147 | Copy letter from Archibald Geikie to Major L Darwin | 3 December 1908 |
| NLB/39/631 | Copy letter from Robert William Frederick Harrison to Sir Ray Lankester, KCB, Fellow of the Royal Society | 17 February 1909 |
| NLB/39/443 | Copy letter from Robert William Frederick Harrison to Harrison & Sons | January 1909 |
| NLB/38/817 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 10 November 1908 |
| NLB/40/430 | Copy letter from Robert William Frederick Harrison to Sir [Edwin] Ray Lankester | 7 June 1909 |
| NLB/41/103 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 13 October 1909 |
| NLB/41/115 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 15 October 1909 |
| NLB/41/298 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 17 November 1909 |
| NLB/42/193 | Copy letter from Robert William Frederick Harrison to Sir E [Edwin] Ray Lankester KCB, FRS | 22 April 1910 |
| NLB/44/613 | Copy letter from Robert William Frederick Harrison to Sir [Edwin] Ray Lankester KCB, FRS | 28 September 1911 |
| NLB/43/230 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 25 November 1910 |
| NLB/43/529 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 3 February 1911 |
| NLB/42/742 | Copy letter from Robert William Frederick Harrison to Sir Ray Lankester KCB, FRS | 29 September 1910 |
| NLB/44/117 | Copy letter from Robert William Frederick Harrison to Sir [Edwin] Ray Lankester KCB, FRS | 8 May 1911 |
| NLB/46/495 | Copy letter from A H White, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 10 August 1912 |
| MC/20/96 | Incomplete letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Archibald] Geikie | 16 May 1905 |
| NLB/46/438 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 31 July 1912 |
| NLB/45/744 | Copy letter from Robert William Frederick Harrison to Sir Ray Lankester, KCB, FRS, the Challenger Committee | 27 April 1912 |
| NLB/45/516 | Copy letter from Robert William Frederick Harrison to Sir E [Edwin] Ray Lankester, KCB, FRS | 19 March 1912 |
| NLB/46/368 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 19 July 1912 |
| NLB/45/674 | Copy letter from Robert William Frederick Harrison to Sir Ray Lankester, KCB, FRS | 22 April 1912 |
| NLB/45/481 | Copy letter from Robert William Frederick Harrison to Sir E [Edwin] Ray Lankester, KCB, FRS | 13 March 1912 |
| NLB/46/461 | Copy letter from Robert William Frederick Harrison, to Professor William Abbott Herdman, Fellow of the Royal Society | 2 August 1912 |
| NLB/47/304 | Copy letter from Robert William Frederick Harrison to Sir Ray Lankester, KCB, FRS | 11 January 1913 |
| NLB/50/746 | Copy letter from Robert William Frederick Harrison, to Sir [Edwin] Ray Lankester, Fellow of the Royal Society | 27 October 1914 |
| MC/21/363 | Letter from [Edwin] Ray Lankester, British Museum (Natural History) Cromwell Road, London, to [Robert William Frederick] Harrison | 9 May 1906 |
| NLB/54/318 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Committee and FRS | 31 March 1917 |
| NLB/52/569 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir Edwin Ray Lankester, FRS | 17 January 1916 |
| RR/7/311 | Referee's report by John Denis Macdonald, on a paper 'Contributions to the development history of the mollusca' by Edwin Ray Lankester | 1 April 1874 |
| NLB/53/527 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, K.C.B., FRS | 24 October 1916 |
| NLB/54/635 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Committee and FRS | 9 July 1917 |
| NLB/54/653 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Committee and FRS | 16 July 1917 |
| NLB/54/278 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Committee and FRS | 21 March 1917 |
| RR/26/76 | Referee's report by Arthur Keith, on a paper 'A remarkable flint implement from selsey bill' by Edwin Ray Lankester | [February 1921] |
| RR/9/398 | Referee's report by Edwin Ray Lankester, on a paper 'On the intra-ovarian egg of some osseous fishes' by Robert Scharff | 18 December 1885 |
| NLB/60/321 | Copy letter from Frederick Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 18 January 1921 |
| RR/8/197 | Referee's report by Edwin Ray Lankester, on a paper 'Concluding observations on the locomotor system of medusae' by George John Romanes | 6 October 1879 |
| NLB/59/805 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 15 November 1920 |
| NLB/59/809 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 15 November 1920 |
| RR/9/294 | Referee's report by Edwin Ray Lankester, on a paper 'Further observations on enterochlorophyll and allied pigments' by C A MacMunn | 18 July 1885 |
| RR/9/378 | Referee's report by Edwin Ray Lankester, on a paper 'Researches on myohaematin and the histohaematins' by C A MacMunn | 19 December 1885 |
| RR/9/139 | Referee's report by Edwin Ray Lankester, on a paper 'On the continuity of the protoplasm through the walls of vegetable cells' by Walter Gardiner | 13 October 1883 |
| RR/9/291 | Referee's report by Edwin Ray Lankester, on a paper 'Observations on the chromatology of actiniae' by C A MacMunn | 2 March 1885 |
| RR/9/194 | Referee's report by Edwin Ray Lankester, on a paper 'The development of renilla' by Edmund Beecher Wilson | 5 January 1883 |
| RR/9/42 | Referee's report by Edwin Ray Lankester, on a paper 'The prehensores of male butterflies of the genera Ornithoptera and Papilo' by Philip Henry Gosse | 16 January 1882 |
| RR/10/21 | Second referee's report by Edwin Ray Lankester, on a paper 'The embryology of monotremata and marsupialia.—Part I' by William Hay Caldwell | 9 July 1887 |
| RR/10/171 | Referee's report by Edwin Ray Lankester, on a paper 'On the the modifications of the first and second visceral arches, with especial reference to the homologies of the auditory ossicles' by Hans Friedrich Gadow | 13 June 1888 |
| RR/11/75 | Referee's report by Edwin Ray Lankester, on a paper 'On the anatomy and physiology of Protopterus annectens' by W N Parker | 3 June 1891 |
| NLB/58/291 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Committee and FRS | 16 April 1920 |
| RR/11/161 | Referee's report by Edwin Ray Lankester, on a paper 'On the early development of Cirripedia' by Theodore T Groom | 17 July 1892 |
| RR/11/231 | Referee's report by Edwin Ray Lankester, on a paper 'Upon the action of gravity on bacterium zopfii' by Rubert William Boyce and A Ernest Evans | 24 March 1893 |
| RR/13/88 | Referee's report by Edwin Ray Lankester, on a paper 'Microscopic and systematic study of madreporarian types of corals' by Maria M Ogilvie | 31 July 1895 |
| NLB/58/651 | Copy letter from [William Bate Hardy,] Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, FRS | 2 June 1920 |
| NLB/59/842 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 19 November 1920 |
| NLB/59/419 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 1 October 1920 |
| RR/13/38 | Referee's report by Edwin Ray Lankester, on a paper 'On the development of Lichenopora verrucaria' by Sidney Frederic Harmer | 3 December 1896 |
| NLB/60/149 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 15 December 1920 |
| RR/12/400 | Referee's report by Edwin Ray Lankester, on a paper 'The effect of environment on the development of echinoderm larvae: an experimental inquiry into the causes of variation' by H M Vernon | 4 February 1895 |
| RR/13/167 | Referee's report by Edwin Ray Lankester, on a paper 'On the openings in the wall of the body-cavity of vertebrates' by Edward J Bles | 5 July 1897 |
| RR/14/73 | Letter from Michael Foster, to Edwin Ray Lankester, regarding a paper 'A study of the phyto-plankton of the Atlantic' by George Robert Milne Murray and Vernon Herbert Blackman | nd [1898] |
| RR/14/198 | Second referee's report by Edwin Ray Lankester, on a paper 'On the gastric gland of mollusca and decapod crustacea: its structure and functions' by C A MacMunn | 10 March 1899 |
| NLB/60/136 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 14 December 1920 |
| NLB/60/407 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 31 January 1921 |
| NLB/60/108 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, FRS | 10 December 1920 |
| RR/10/203 | Referee's report by William Henry Flower and Edwin Ray Lankester, on a paper 'On the skull of a marsupial carnivore Thylacopardus australis' by Richard Owen | 4 December 1888 |
| NLB/62/196 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 23 December 1921 |
| NLB/60/438 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 5 February 1921 |
| CD/64/24 | Letter from Edwin Ray Lankester, 44 Oakley Street, Chelsea, to [William Bate] Hardy, Secretary of the Royal Society | 31 May 1921 |
| NLB/57/880 | Copy letter from Sir William Bate Hardy, Secretary of the Royal Society; to Sir Ray Lankester, FRS, KCB | 26 February 1920 |
| NLB/57/761 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; Sir [Edwin] Ray Lancaster, FRS, KCB | 2 February 1920 |
| NLB/65/914 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Assistant Secretary of the American Philosophical Society; 104 South Fifth Street, Philadelphia, USA | 29 January 1924 |
| NLB/62/276 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 17 January 1922 |
| RR/8/78 | Referee's report by Edwin Ray Lankester, on a paper 'On the development of the parasitic isopoda' by J F Bullar | 15 June 1878 |
| NLB/57/149 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, FRS, KCB | 29 July 1919 |
| IM/GA/Russell/002626 | Lankester, Sir Edwin Ray | 1922 |
| NLB/68/274 | Copy letter from Charles Scott Sherrington, President of the Royal Society; to Sir [Edwin] Ray Lankester, KCB, FRS | 11 June 1925 |
| NLB/65/922 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, FRS | 30 January 1924 |
| NLB/66/154 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Edwin Ray Lankester, K.C.B FRS | 5 March 1924 |
| NLB/66/219 | Copy letter from William Bate Hardy, Secretary of the Royal Society;to Sir Ray Lankester, K.C.B, FRS | 19 March 1924 |
| NLB/66/666 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Sir Ray Lankester, K.C.B, FRS | 17 June 1924 |
| NLB/72/708 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Edwin Stephen] Goodrich, FRS | 13 March 1930 |
| NLB/11 | New Letter Book volume 11, copy letters sent from Royal Society administration | 2 April 1895-15 November 1895 |
| NLB/41/208 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 1 November 1909 |
| NLB/17/776 | Copy letter from Robert William Frederick Harrison, to W C Allen, Librarian, Exeter College, Oxford | 19 December 1898 |
| MM/9/15 | Letter from T H Huxley, 3 Jevington Gardens, Eastbourne, to Sir John Evans | 24 February 1890 |
| IM/Maull/002625 | Lankester, Sir Edwin Ray | nd |
| CMB/50/27 | Letter from Professor Minchin to E Ray Lankester, Chairman of the Tropical Diseases Committee | 13 June 1905 |
| CMB/50/20 | Minutes, meeting of the Tropical Diseases Committee | 31 January 1905 |
| CMB/50/22 | Letter from E A Minchin to Professor Lankester, Chair of the Tropical Diseases Research Committee | 30 January 1905 |
| CMB/50/28 | Minutes, meeting of the Tropical Diseases Committee | 25 October 1905 |
| NLB/31/290 | Copy letter from Archibald Geikie, to [Edwin Ray] Lankester, [Fellow of the Royal Society] | 22 July 1905 |
| NLB/14/165 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 15 January 1897 |
| NLB/27/872 | Copy letter from an unknown correspondent, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 16 December 1903 |
| NLB/25/618 | Copy letter from Robert William Frederick Harrison, to Messrs Edwin Ray Lankester, Fellow of the Royal Society | 28 November 1902 |
| NLB/1/570 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 19 September 1887 |
| NLB/3/285 | Copy letter from Herbert Rix, to Professor Michael Foster, [Royal Society] | [30 April 1889] |
| NLB/3/686 | Copy letter from Herbert Rix, to the Secretary, Department of Mines, Sydney | 12 September 1889 |
| NLB/3/491 | Copy letter from Herbert Rix, to Sir George Gabriel Stokes, President of the Royal Society | 24 June 1889 |
| NLB/3/544 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society, 42 Halfmoon Street | 8 July 1889 |
| NLB/3/691 | Copy letter from Herbert Rix, to John Evans, the Verderers, Bradenham, Thetford | 16 September 1889 |
| NLB/3/499 | Copy letter from Herbert Rix, to Professor Michael Foster, [Secretary, Royal Society] | 25 June 1889 |
| NLB/3/923 | Copy letter from Herbert Rix, to Eadweard Muybridge, 38 Craven Street, Strand | 13 November 1889 |
| NLB/7/198 | Copy letter from Lord Kelvin [William Thomson], to Professor Louis Pastuer, Member of the Institute of France | 19 December 1892 |
| NLB/11/155 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 3 May 1895 |
| NLB/11/430 | Copy letter from an unknown correspondent, to Sir Joseph Dalton Hooker, Professor Edwin Ray Lankester, Osbert Salvin, and Sir William Henry Flower, Fellows of the Royal Society | 26 June 1895 |
| NLB/13/49 | Copy letter from Michael Foster and Lord Rayleigh [John William Strutt], to Professor Edwin Ray Lankester, [Fellow of the Royal Society], Chairman of the Zoological Committee | 1 June 1896 |
| NLB/13/592 | Copy letter from Robert William Frederick Harrison, to Professor Michael Foster, Secretary, Royal Society | 12 October 1896 |
| NLB/13/800 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 November 1896 |
| NLB/27 | New Letter Book volume 27, copy letters sent from Royal Society administration | 15 June 1903- 17 December 1903 |
| NLB/15/195 | Copy letter from Michael Foster, to Edwin Ray Lankester, [Fellow of the Royal Society] | 14 July 1897 |
| NLB/15/272 | Copy letter from Michael Foster and Arthur William Rucker, to William Turner Thiselton-Dyer, Professor Edward Albert Sharpey-Schafer, Professor George Howard Darwin, Richard Tetley Glazebrook, Professor Edwin Ray Lankester, Sir Archibald Geikie, Fellows of the Royal Society | 24 July 1897 |
| NLB/15/258 | Copy letter from [Michael Foster], to the Chairmen of the Sectional Committees: Professor Darwin, Mr Richard Tetley Glazebrook, Sir Archibald Geikie, Mr William Turner Thiselton-Dyer, Professor Edward Albert Sharpey-Schafer, and Professor Edwin Ray Lankester | 24 July 1897 |
| NLB/15/142 | Copy letter from Robert William Frederick Harrison, to Professor Michael Foster, Fellow of the Royal Society | 6 July 1897 |
| NLB/15/707 | Copy letter from Robert William Frederick Harrison, to Professor Michael Foster, Secretary, Royal Society | 20 November 1897 |
| NLB/15/818 | Copy letter from Michael Foster, to Professor Edwin Ray Lankester, Editor of the 'Quarterly Journal of Microscopial Science' | 17 December 1897 |
| NLB/17/73 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 12 July 1898 |
| NLB/18/274 | Copy letter from Robert William Frederick Harrison, to Dr J W W Stephens | 16 February 1899 |
| NLB/19/532 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 26 October 1899 |
| NLB/20/282 | Copy letter from Robert William Frederick Harrison, to Professor Clifford Allbutt, Professor Edwin Ray Lankester, Sir John Kirk, Sir John Scott Burdon-Sanderson, and Dr Patrick Manson [Fellows of the Royal Society] | 12 March 1900 |
| NLB/21/202 | Copy letter from Robert William Frederick Harrison, to Professor Henry Edward Armstrong, Professor Andrew Russell Forsyth, Sir Archibald Geikie, Professor Edwin Ray Lankester, Sir Joseph Norman Lockyer, Dr Thomas Edward Thorpe, [Fellows of the Royal Society] | 26 September 1900 |
| NLB/21/219 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 2 October 1900 |
| NLB/21/430 | Copy letter from Michael Foster, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 16 November 1900 |
| NLB/23/1/319 | Copy letter from Michael Foster, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 October 1901 |
| NLB/28/80 | Copy letter from [Robert William Frederick Harrison], to Lieutenant Colonel David Bruce, Fellow of the Royal Society | 5 January 1904 |
| NLB/28/59 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | January 1904 |
| NLB/27/775 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 27 November 1903 |
| NLB/31/236 | Copy letter from Archibald Geikie, to [Edwin Ray] Lankester, [Fellow of the Royal Society] | 13 July 1905 |
| NLB/29/454 | Copy letter from Archibald Geikie, to [Edwin Ray] Lankester, [Fellow of the Royal Society] | 19 October 1904 |
| NLB/29/692 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 25 November 1904 |
| NLB/33/103 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society, Felix Hotel, Felixstowe | 28 June 1906 |
| NLB/29/910 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 11 January 1905 |
| NLB/33/216 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 19 July 1906 |
| NLB/29/920 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 13 January 1905 |
| NLB/36 | New Letter Book volume 36, copy letters sent from Royal Society administration | 22 July 1907-9 January 1908 |
| NLB/34/691 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 26 February 1907 |
| NLB/39/21 | Copy letter from The Secretaries of the Royal Society to The Registrary of the University of Cambridge | 13 November 1908 |
| RR/14/70 | Letter from William Abbott Herdman, to Edwin Ray Lankester, regarding a paper 'A study of the phyto-plankton of the Atlantic' by George Robert Milne Murray and Vernon Herbert Blackman | 1 June 1898 |
| RR/13/23 | Referee's report by Edwin Ray Lankester, on a paper 'On a special action of the serum of highly immunised animals, and its use for diagnostic and other purposes' by Herbert E Durham | 1896 |
| RR/11/266 | Letter from Edwin Ray Lankester on a paper 'On the characters and behaviour of the wandering (migrating) cells of the frog, especially in relation to micro-organisms' by A A Kanthack and William Bate Hardy to the Secretary of the Royal Society | 13 October 1893 |
| NLB/16 | New Letter Book volume 16, copy letters sent from Royal Society administration | 11 January 1898-29 June 1898 |
| NLB/3/501 | Copy letter from George Gabriel Stokes, to Sir Henry Isaacs, the Right Honorable Lord Mayor, Mansion House, E.C. | 26 June 1889 |
| NLB/11/57 | Copy letter from Herbert Rix, to Dr Michael Foster, Secretary, Royal Society | 8 April 1895 |
| NLB/11/817 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 10 October 1895 |
| NLB/12/335 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 31 January 1896 |
| NLB/16/678 | Copy letter from Robert William Frederick Harrison, to Professor E Ray Lankester, Fellow of the Royal Society | 19 May 1898 |
| NLB/20/114 | Copy letter from Robert William Frederick Harrison, to Sir John Kirk, Professor Edwin Ray Lankester, Professor Thomas Clifford Allbutt, Sir John Scott Burdon-Sanderson, Fellows of the Royal Society and members of the Malaria Committee | 5 February 1900 |
| NLB/20/464 | Copy letter from Arthur William Rucker and Michael Foster, to the Secretaries, Königlich Preussische Akademie der Wissenschaften, Universitatsstrase, 8, Berlin, NW7 | 28 April 1900 |
| NLB/20/734 | Copy letter from Robert William Frederick Harrison, to Lord Kelvin [William Thomson], Fellow of the Royal Society | 27 June 1900 |
| NLB/27/480 | Copy letter from Alfred Bray Kempe, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 6 October 1903 |
| NLB/28/658 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 28 April 1904 |
| NLB/29/623 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, [Fellow of the Royal Society] | 15 November 1904 |
| NLB/29/649 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 19 November 1904 |
| NLB/29/782 | Copy letter from Archibald Geikie, to Edwin Ray Lankester, Fellow of the Royal Society | 10 December 1904 |
| NLB/33/275 | Copy letter from Archibald Geikie, to Edwin ray Lankester, [Fellow of the Royal Society] | 26 July 1906 |
| NLB/34/723 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 1 March 1907 |
| NLB/45/456 | Copy letter from Robert William Frederick Harrison to Sir Ray Lankester, KCB, FRS | 7 March 1912 |
| RR/10/90 | Referee's report by Edwin Ray Lankester, on a paper 'On the homologies and succession of the teeth in Dasyuridae, with an attempt to trace the history of the evolution of mammalian teeth in general' by Michael Rogers Oldfield Thomas | 13 June 1887 |
| RR/10/36 | Referee's report by Edwin Ray Lankester, on a paper 'Studies on some new micro-organisms obtained from air' by Percy Faraday Frankland | 5 March 1887 |
| NLB/53/370 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to The Secretary, Reconstruction Committee, 6a Dean's Yard, S.W. | 24 July 1916 |
| NLB/13 | New Letter Book volume 13, copy letters sent from Royal Society administration | 27 May 1896-7 December 1896 |
| RR/10/19 | Referee's report by Edwin Ray Lankester, on a paper 'The embryology of monotremata and marsupialia.—Part I' by William Hay Caldwell | 28 February 1887 |
| NLB/59 | New Letter Book volume 59, copy letters sent from Royal Society administration | 9 July 1920-2 December 1920 |
| RR/21/89 | Referee's report by Edwin Ray Lankester, on a paper 'Contributions to the study of the bionomics and reproductive processes of the foraminifera' by Edward Heron-Allen | [January 1915] |
| NLB/32 | New Letter Book volume 32, copy letters sent from Royal Society administration | 9 December 1905-13 June 1906 |
| NLB/57 | New Letter Book volume 57, copy letters sent from Royal Society administration | 27 June 1919-27 February 1920 |
| NLB/30 | New Letter Book volume 30, copy letters sent from Royal Society administration | 14 January 1905-6 June 1905 |
| RR/12/178 | Referee's report by Edwin Ray Lankester, on a paper 'Contributions to the life-history of the foraminifera' by Joseph Jackson Lister | 29 May 1894 |
| MC/11/240 | Letter from T H Noyst, Essex Street, Strand, to the Royal Society | 19 July 1878 |
| RR/8/137 | Referee's report by Edwin Ray Lankester, on a paper 'Observations on the nervous system of Aurelia aurita' by Edward Albert Sharpey-Schafer | 21 January 1878 |
| RR/10/342 | Referee's report by Edwin Ray Lankester, on two papers 'The nitrifying process and its specific ferment.—Part I' by Percy Faraday Frankland and Grace C Frankland, and 'Development of the sympathetic nervous system mammals' by A M Paterson | 26 May 1890 |
| RR/11/48 | Referee's report by Edwin Ray Lankester, on a paper 'On some histological features and physiological properties of the post-œsophageal nerve cord of the crustacea' by William Bate Hardy | 14 June 1891 |
| RR/13/296 | Referee's report by Edwin Ray Lankester, on a paper 'The relations between marine animal and vegetable life' by H M Vernon | 18 January 1898 |
| RR/14/67 | Referee's report by Edwin Ray Lankester, on a paper 'A study of the phyto-plankton of the Atlantic' by George Robert Milne Murray and Vernon Herbert Blackman | 13 May 1898 |
| MC/10/279 | Letter from E [Edwin] Ray Lankester, Exeter College, [Oxford], to [Walter] White, [Assistant Secretary of the Royal Society] | 22 July 1875 |
| MC/10 | Volume 10 of miscellaneous correspondence regarding business matters, sent to the Royal Society | July 1873-1876 |
| MC/11/205 | Letter from E Ray Lankester, Exeter College, to [Walter] White, [Assistant Secretary of the Royal Society] | 27 April 1878 |
| MC/11 | Volume 11 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1877-1879 |
| MC/13/83 | Letter from E [Edwin] Ray Lankester, Honorary Secretary of the Marine Biological Association, 11 Wellington Mansions, North Bank, to [Michael Foster and George Gabriel Stokes], Secretaries of the Royal Society | 2 August 1884 |
| MC/13/106 | Letter from E [Edwin] Ray Lankester, Honorary Secretary of the Marine Biological Association, 11 Wellington Mansions, North Bank, to Professor Michael Foster, Secretary of the Royal Society | 7 November 1884 |
| MC/13 | Volume 13 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1884 |
| RR/8/55 | Referee's report by Edwin Ray Lankester, on a paper 'Further observations on the locomotor system of medusae' by George John Romanes | 16 April 1877 |
| RR/9/164 | Referee's report by Edwin Ray Lankester, on three papers; 'On the structure and functions of the eyes of arthropoda' by B Thompson Lowne, 'Observations on the colouring-matters of the so-called bile of invertebrates, on those of the bile of vertebrates, and on some unusual urine pigments' by Charles A MacMunn and 'On the ciliated groove (siphonoglyphe) in the stomodaeum of the alcyonarians' by Sydney John Hickson | 31 May 1883 |
| RR/10/68 | Referee's report by Edwin Ray Lankester, on a paper 'On the morphology of birds' by William Kitchen Parker | 26 March 1887 |
| RR/10/69 | Letter from Edwin Ray Lankester, to the Secretaries of the Royal Society, regarding a paper 'On the morphology of birds' by William Kitchen Parker | 27 March 1887 |
| RR/10/180 | Second referee's report by Edwin Ray Lankester, on a paper 'On the sexual cells and the early stages in the development of Millepora plicata' by Sydney John Hickson | 26 January 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/10/352 | Referee's report by Edwin Ray Lankester, on a paper 'Some stages in the development of the brain of Clupea harengus' by Ernest W L Holt | 3 March 1890 |
| NLB/2/874 | Copy letter from Herbert Rix, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 29 November 1888 |
| RR/20/160 | Referee's report by Edwin Ray Lankester, on a paper 'On a remarkable new type of protistan parasite' by H M Woodcock and G Lapage | 24 May 1913 |
| AP/69/5 | Unpublished paper, 'On the mimetic forms of certain butterflies of the genus Hypolimnas' by [Charles] Swinhoe | 1893 |
| AP/69/5/1 | Unpublished manuscript, 'On the mimetic forms of certain butterflies of the genus Hypolimnas' by [Charles] Swinhoe | 1893 |
| PP/6/43 | Paper, 'Preliminary note on the nephridia of a new species of earthworm' by Frank E [Evers] Beddard | 1885 |
| PP/2/13/1 | Manuscript, 'On the coxal glands of scorpio hitherto undescribed and corresponding to the brick-red glands of limulus' by E [Edwin] Ray Lankester | 1882 |
| PP/2/13 | Paper, 'On the coxal glands of scorpio hitherto undescribed and corresponding to the brick-red glands of limulus' by E [Edwin] Ray Lankester | 1882 |
| PP/2/13/2 | Figures, anatomical figure by E [Edwin] Ray Lankester | 1882 |
| PP/2/14/2 | Figures, anatomical figures by E [Edwin] Ray Lankester | 1882 |
| PP/2/14/1 | Manuscript, 'Note on the differences in the position of the ganglia of the ventral nerve-cord in three species of scorpion' by E [Edwin] Ray Lankester | 1882 |
| PP/2/14 | Paper, 'Note on the differences in the position of the ganglia of the ventral nerve-cord in three species of scorpion' by E [Edwin] Ray Lankester | 1882 |
| PP/6/2 | Paper, 'On the occurrence of a hydroid phase of Limnocodium Sowerbii, Allman and Lankester' by Alfred Gibbs Bourne | 1884 |
| PP/6/2/1 | Manuscript, 'On the occurrence of a hydroid phase of Limnocodium Sowerbii, Allman and Lankester' by Alfred Gibbs Bourne | 1884 |
| PP/10/4 | Paper, 'The reputed suicide of scorpions' by Alfred Gibbs Bourne | 1886 |
| PP/6/40 | Paper, 'On the occurrence of glycogen as a constituent of the vesicular cells of the connective tissue of molluscs' by Edwin Richardson Blundstone | 1885 |
| PP/11/16 | Paper, 'Preliminary note on the nephridia of perichaeta' by Frank Evers Beddard | 1887 |
| PP/11/32/1 | Manuscript, 'The atoll of Diego Garcia and the coral formations of the Indian Ocean' by Gilbert Charles Bourne | 1888 |
| PP/11/32 | Paper, 'The atoll of Diego Garcia and the coral formations of the Indian Ocean' by Gilbert Charles Bourne | 1888 |
| PP/16/7/1 | Manuscript, 'On the development of the atrial chamber of Amphioxus [lancelet]' by Arthur Willey | 1890 |
| PP/17/22 | Paper, 'Preliminary notice of a new form of excretory organs in an oligochaetous annelid' by Frank Evers Beddard | 1891 |
| PP/16/7 | Printed proof, 'On the development of the atrial chamber of Amphioxus [lancelet]' by Arthur Willey | 1890 |
| PP/16/14 | Paper, 'Preliminary note on the development of the tuatara (Sphenodon punctatum)' by A P W [Algernon Phillips Withiel] Thomas | 1890 |
| PP/19/20 | Paper, 'Observations on the post-embryonic development of Ciona intestinalis and Clavelina lepadiformis' by Arthur Willey | 1892 |
| PP/16/34 | Paper, 'On the homology between genital ducts and nephridia in the Oligochaeta' by Frank E [Evers] Beddard | 1890 |
| RR/10/64 | Referee's report by Edwin Ray Lankester, on two papers 'On fossil remains of Echidna Ramsayi (Ow.). Part II' and 'Description of a newly-excluded young of the Ornithorhynchus paradoxus' by Richard Owen | 5 August 1887 |
| RR/7/436 | Referee's report by Edwin Ray Lankester, on a paper 'On the development of the crustacean embryo, and the variations of form exhibited in the larvae of 38 genera of podophthalmia' by Charles Spence Bate | 1 June 1876 |
| RR/7/473 | Referee's report by Edwin Ray Lankester, on a paper 'Preliminary observations on the locomotor system of medusae' by George John Romanes | 19 January 1876 |
| RR/8/48 | Referee's report by Edwin Ray Lankester, on a paper 'On the structure of Magelona' by William Carmichael McIntosh | 19 March 1877 |
| RR/10/212 | Referee's report by Edwin Ray Lankester, on a paper 'Contributions to the anatomy of the central nervous system in vertebrated animals. Part I.—Ichthyopsida. Section I.—Pisces. Subsection III.—Dipnoi. On the brain of the Ceratodus forsteri' by Alfred Sanders | 24 March 1888 |
| RR/11/265 | Referee's report by Edwin Ray Lankester on a paper 'On the characters and behaviour of the wandering (migrating) cells of the frog, especially in relation to micro-organisms' by A A Kanthack and William Bate Hardy | 30 January 1893 |
| RR/12/319 | Referee's report by Edwin Ray Lanester, on a paper 'On the evolution of the vertebral column of amphibia and amuivta' by Hans Friedrich Gadow | 9 August 1895 |
| RR/12/393 | Referee's report by Edwin Ray Lankester, on a paper 'An attempt to cultivate parasitic protozoa from malignant tumours, vaccinia, molluscum contagiosum, and certain normal tissues, together with infection experiments carried out with the culture media, and a note on the treatment of cancer' by Samuel George Shattock and Charles A Ballance | 27 May 1895 |
| 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/14/74 | Letter from Edwin Ray Lankester, to Mr Harrison, regarding a paper 'A study of the phyto-plankton of the Atlantic' by George Robert Milne Murray and Vernon Herbert Blackman | 23 June 1898 |
| RR/14/197 | Referee's report by Edwin Ray Lankester, on a paper 'On the gastric gland of mollusca and decapod crustacea: its structure and functions' by C A MacMunn | 8 March 1899 |
| RR/14/250 | Letter from Edwin Ray Lankester, to Michael Foster, regarding a paper 'Upon the development of the enamel in certain osseous fish' by Charles Sissmore Tomes | 13 December 1899 |
| RR/21/164 | Referee's report by Edwin Ray Lankester, on a paper 'Observations on the life-cycle of a new flagellate, Helkesimastix fæcicola, n. g., n. sp.: Together remarks on the question of syngamy in the trypanosomes' by H M Woodcock and G Lapage | 18 September 1914 |
| AP/71/13 | Unpublished paper, 'On the origin of the triradiate spicules of Leucosolenia' by E A [Edward Alfred] Minchin | 1895 |
| RR/10/178 | Referee's report by Edwin Ray Lankester, on two papers 'On the sexual cells and the early stages in the development of Millepora plicata' by Sydney John Hickson and 'A contribution to the study of the comparative anatomy of flowers' by G Henslow | 28 December 1887 |
| RR/10/241 | Referee's report by Edwin Ray Lankester, on two papers 'On Phymosoma varians' by Arthur Everett Shipley, and 'On some variations of Cardium edule apparently correlated to the conditions of life' by William Bateson | 23 May 1889 |
| MC/14/320 | Letter from Edwin Ray Lankester, to the Secretary of the Royal Society | 4 May [1888] |
| MC/14/328 | Letter from [Edwin] Ray Lankester, 45 Grove End, to [The Royal Society] | 2 June [1888] |
| MC/15/48 | Letter from [Edwin] Ray Lankester, The Royal Society, Burlington House, to the Secretaries of the Royal Society | 9 September 1889 |
| MC/15/80 | Letter from [Edwin] Ray Lankester, Piccadilly, to the Royal Society | 1 June [1890] |
| MC/15/127 | Letter from [Edwin] Ray Lankester, Savile Club, Piccadilly, to [Michael] Foster | 13 January 1891 |
| MC/14/88 | Letter from [Edwin] Ray Lankester, 11 Wellington Mansions, North Bank, to [Michael] Foster, Secretary of the Royal Society | 14 November 1885 |
| MC/24/28 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 11 November 1909 |
| MC/16/282 | Letter from [Edwin] Ray Lankester, 76 Jermyn Street, to Sir [John] Evans | 2 February [1896] |
| MC/16/344 | Letter from [Edwin] Ray Lankester, 76 Jermyn Street, to [Michael] Foster | 4 November 1896 |
| NLB/1/17 | Copy letter from Michael Foster, to Professor Edwin Ray Lankester | 12 November 1885 |
| MC/14/325 | Letter from [Edwin] Ray Lankester, 45 Grove End, to [John] Evans | 16 May [1888] |
| MC/14/261 | Letter from [Edwin] Ray Lankester, 11 Wellington Mansions, North Bank, to the Secretary of the Royal Society | 23 October 1887 |
| MC/16/43 | Letter from Henry Edward Armstrong, Horace T Brown, James Geikie, A H Green, A C L G Gunther, E Ray Lankester, E B Poulton, G J Romanes, to the Royal Society | [May 1893] |
| MC/16/288 | Letter from [Edwin] Ray Lankester, The University Museum, Oxford, to Sir John Evans, Treasurer of the Royal Society | 10 February 1896 |
| MC/18/134 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 22 December 1903 |
| MC/18/133 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 11 March 1903 |
| MC/14 | Volume 14 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1885-1888 |
| MC/15 | Volume 15 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1889-1892 |
| MC/23/258 | Letter from [Edwin] Ray Lankester, Hotels St James & D'Albany, Paris, to Mr [Robert] Harrison, [The Royal Society] | 10 November 1908 |
| NLB/37/742 | Copy letter from Robert William Frederick Harrison to Sir E [Edwin] Ray Lankester, KCB, Fellow of the Royal Society | 6 May 1908 |
| MC/19/532 | Note from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to [Archibald] Geikie | 27 October 1904 |
| MC/19/530 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 29 April 1904 |
| MC/19/533 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 7 November 1904 |
| MC/19/528 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 3 February 1904 |
| MC/19/529 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 10 March 1904 |
| MC/19/536 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to [Robert William Frederick] Harrison | 13 December 1904 |
| MC/19/534 | Memoranda from [Robert William Frederick Harrison] to the Chairman of the Tropical Diseases Committee, Professor [Edwin] Ray Lankester | 15 November 1904 |
| NLB/29/513 | Copy letter from Archibald Geikie, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 29 October 1904 |
| MC/19/535 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 7 December 1904 |
| MC/24/25 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to [the Secretary], Royal Society, London | 20 January 1909 |
| MC/19/537 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to Sir Arhchibald Geikie | 17 December 1904 |
| MC/24/26 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 3 March 1909 |
| MC/24/27 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to [Royal Society] | 1 November 1909 |
| NLB/39/440 | Copy letter from Robert William Frederick Harrison to Sir [Edwin] Ray Lankester, KCB, Fellow of the Royal Society | 22 January 1909 |
| NLB/39/702 | Copy letter from Robert William Frederick Harrison to Sir Ray Lankester, KCB, Fellow of the Royal Society | 25 February 1909 |
| NLB/41/282 | Copy letter from Robert William Frederick Harrison, to Sir Edwin Ray Lankester, Fellow of the Royal Society | 15 November 1909 |
| MC/19/653 | Letter from George [Henry Falkiner] Nuttall, University of Cambridge, Subsyndicate for Tropical Medicine and Hygeine, to Professor [Edwin] Ray Lankester | 17 November 1904 |
| NLB/29/763 | Copy letter from Robert William Frederick Harrison, to Professor Edwin Ray Lankester, Fellow of the Royal Society | 7 December 1904 |
| MC/17 | Volume 17 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1897-1899 |
| MC/20/98 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Sir Archibald Geikie | 19 July 1905 |
| MC/20/99 | Letter from [Edwin] Ray Lankester, Bath Hotel, Felixstowe, Suffolk, to [Archibald] Geikie | 30 August 1905 |
| MC/20/95 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Robert William Frederick] Harrison | 7 March 1905 |
| MC/20/101 | Letter from [Edwin] Ray Lankester, Thicknesse, Felixstowe, to [Robert William Frederick] Harrison | 16 September 1905 |
| MC/20/100 | Letter from [Edwin] Ray Lankester, Thicknesse, Felixstowe, to [Robert William Frederick] Harrison | 14 September 1905 |
| MC/26/88 | Letter from David Gill, 34 De Vere Gardens, Kensington, London, W, to Mr [Robert] Harrison, [Royal Society] | 20 January 1920 |
| MC/26/131 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Sir David Gill | 19 January 1911 |
| MC/26/132 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to the President, [Royal Society] | 30 January 1911 |
| MC/26/134 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 13 November 1911 |
| MC/26/133 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to the [Royal Society] | 11 August 1911 |
| MC/26/135 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 22 November 1911 |
| NLB/44/563 | Copy letter from Robert William Frederick Harrison to Sir E [Edwin] Ray Lankester KCB, FRS | 14 August 1911 |
| MC/27/214 | Letter from [Edwin] Ray Lankester, Kindersfeld, Branksome Park, Bournemouth, to [John Rose] Bradford, [Royal Society] | 15 June 1912 |
| MC/27/218 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 19 April 1912 |
| MC/27/215 | Letter from [Edwin] Ray Lankester, Kindersfeld, Branksome Park, Bournemouth, to Mr [Robert] Harrison, [Royal Society] | 17 January 1912 |
| MC/27/219 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 30 May 1912 |
| MC/20/97 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to [Archibald] Geikie | 18 May 1905 |
| MC/20/102 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to [Robert William Frederick] Harrison | 23 September 1905 |
| NLB/31/384 | Copy letter from Archibald Geikie, to Sir Edwin Ray Lankester, [Fellow of the Royal Society] | 31 August 1905 |
| NLB/31/434 | Copy letter from an unknown correspondent, to Professor [Edwin Ray] Lankester, [Fellow of the Royal Society] | 18 September 1905 |
| NLB/31/472 | Copy letter from Archibald Geikie, to [Edwin Ray] Lankester, [Fellow of the Royal Society] | 25 September 1905 |
| NLB/45/193 | Copy letter from Robert William Frederick Harrison to Sir E [Edwin] Ray Lankester FRS, Rinderfeld, Branksome Park, Bournemouth | 17 January 1912 |
| NLB/45/199 | Copy letter from Robert William Frederick Harrison to Sir Ray Lankester KCB, FRS | 18 January 1912 |
| NLB/45/398 | Copy letter from Robert William Frederick Harrison to Sir E [Edwin] Ray Lankester KCB, FRS, Savile Club, Piccadilly, W | 29 February 1912 |
| MC/28/244 | Letter from [Dukinfield Henry] Scott, East Oakley House, Basingstoke, to Mr [Robert] Harrison, [Royal Society] | 16 March 1913 |
| MC/28/283 | Letter from 20 Merton Street, Oxford, to [Edwin Ray] Lankester, [Royal Society] | 9 May 1913 |
| MC/29/154 | Letter from [Edwin] Ray Lankester, The Briar Gate, 331 Upper Richmond Road, Putney, S.W, to Mr [Robert] Harrison, [Royal Society] | 7 June 1914 |
| MC/21/364 | Letter from [Edwin] Ray Lankester, British Museum (Natural History) Cromwell Road, London, to [Robert William Frederick] Harrison | 20 June 1906 |
| MC/18/15 | Letter from [Edwin] Ray Lankester, British Musuem (Natural History), Cromwell Road, London, to Sir Michael Foster, Secretary of the Royal Society | 18 February 1903 |
| MC/18/132 | Letter from [Edwin] Ray Lankester, British Museum (Natural History), Cromwell Road, London, to the President of the Royal Society | 13 January [1903] |
| MC/19/654 | Letter from George [Henry Falkiner] Nuttall, The Journal of Hygiene, to [Robert William Frederick] Harrison | 6 December 1904 |
| MC/18 | Volume 18 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1903 |
| MC/39 | Volume 39 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1925 |
| MC/21/362 | Letter from [Edwin] Ray Lankester, The Bath Club, 34 Dover Street, to [Alfred Bray] Kempe | [February 1906] |
| MC/21/366 | Letter from [Edwin] Ray Lankester, British Museum (Natural History) Cromwell Road, London, to [Archibald] Geikie | 20 November 1906 |
| MC/21/365 | Letter from [Edwin] Ray Lankester, British Museum (Natural History) Cromwell Road, London, to [Archibald] Geikie | 20 July 1906 |
| MC/22/167 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, to [Archibald] Geikie | 22 October 1907 |
| MC/22/21 | Letter from Joseph Barker, St Barnabas, Grimsby, to the Royal Society | 12 July 1907 |
| NLB/35/793 | Copy letter from Robert William Frederick Harrison, to Rev J Barker, S Barnabas, Grimsby | 17 July 1907 |
| MC/32/166 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 23 January 1917 |
| MC/32/167 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 17 March 1917 |
| MC/22/165 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to [Robert William Frederick] Harrison | 24 February 1907 |
| MC/22/166 | Letter from [Edwin] Ray Lankester, Felixstowe, Suffolk, to [Robert William Frederick] Harrison, Assistant Secretary of the Royal Society | 20 September 1907 |
| MC/22/168 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to [Robert William Frederick] Harrison | 14 November 1907 |
| NLB/28/366 | Copy letter from [Robert William Frederick Harrison], to Professor Edwin Ray Lankester, Fellow of the Royal Society | 24 February 1904 |
| NLB/55/632 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, K.C.B., FRS | 05 July 1918 |
| NLB/60/508 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, FRS | 17 February 1921 |
| MC/33/103 | Letter from [Edwin] Ray Lankester, Chinehead, West Cliff Road, Bournemouth, to the [Royal Society] | 2 July 1918 |
| MC/34/119 | Letter from [Edwin] Ray Lankester, Chinehead, Westcliff Road, Bournemouth, to The [Seretary] of the Royal Society | 5 March 1919 |
| MC/34/120 | Letter from [Edwin] Ray Lankester, Chinehead, Westcliff Road, Bournemouth, to Mr [Robert] Harrison, [Royal Society] | 16 March 1919 |
| MC/34/121 | Letter from [Edwin] Ray Lankester, 44 Oakley Street, Chelsea, London, S.W.3., to Mr [Robert] Harrison, [Royal Society] | 6 September 1919 |
| NLB/56/562 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir [Edwin] Ray Lankester, Chairman of the Challenger Reports Committee and FRS | 13 March 1919 |
| NLB/57/220 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir Ray Lankester, FRS, KCB; 44 Oakley Street, Chelsea, SW 3 | 5 September 1919 |
| MC/39/65 | Letter from [Edwin] Ray Lankester, 44 Oakley Street, Chelsea, to Sir Charles [Scott] Sherrington, President of the Royal Society | 13 June [1925] |
| MC/38/61 | Letter from [Edwin] Ray Lankester, Forty Four Oakley Street, Chelsea, to [William Bate] Hardy | 14 June 1924 |
| MC/35/91 | Letter from [Edwin] Ray Lankester, 44 Oakley Street, Chelsea, to [William Bate] Hardy | 6 February 1921 |
| MC/38/58 | Letter from [Edwin] Ray Lankester, Forty Four Oakley Street, Chelsea, to the Royal Society | 7 March 1924 |
| MC/38/59 | Letter from [Edwin] Ray Lankester, Forty Four Oakley Street, Chelsea, to [William Bate] Hardy | 17 March 1924 |
| MC/38/60 | Letter from [Edwin] Ray Lankester, Forty Four Oakley Street, Chelsea, to [William Bate] Hardy | 20 March 1924 |
| MC/38 | Volume 38 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1924 |
| MC/39/64 | Letter from [Edwin] Ray Lankester, 44 Oakley Street, Chelsea, to the President [of the Royal Society] | 5 February 1925 |
| MC/29/137 | Letter from Arthur [Robert] Hinks, 109 Corringham Road, Golders Green, N.W, to [Robert] Harrison, [Royal Society] | 26 March 1914 |
| MC/27/216 | Letter from [Edwin] Ray Lankester, Kindersfeld, Branksome Park, Bournemouth, to Mr [Robert] Harrison, [Royal Society] | 28 February 1912 |
| MC/27/217 | Letter from [Edwin] Ray Lankester, 29 Thurloe Place, South Kensington, to Mr [Robert] Harrison, [Royal Society] | 2 April 1912 |
| MC/20 | Volume 20 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1905 |
| MC/24 | Volume 24 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1909 |
| MC/27/141 | Letter from Henrik Gronwold, Natural History Museum, London, S.W, to The Royal Society of London, Burlington House | 1 July 1912 |
| MC/28/192 | Letter from Letter from [Ernest William] MacBride, Imperial College of Science and Technology, Royal College of Science, South Kensington, London, S.W, to Sir John [Rose] Bradford, [Royal Society] | 6 October 1913 |