| RefNo | Title | Date |
| EC/1910/13 | Leishman, Sir William Boog: certificate of election to the Royal Society | |
| CMB/53/22 | Minutes, meeting of the Kala Azar Sub-Committee | 18 February 1925 |
| CMB/53/23 | Minutes, meeting of the Kala Azar Sub-Committee | 16 March 1925 |
| CMB/53/21 | Minutes, meeting of the Kala Azar Sub-Committee | 28 January 1925 |
| CMB/53/20 | Minutes, meeting of the Kala Azar Sub-Committee | 15 December 1924 |
| RR/18/146 | Referee's report by William Boog Leishman, on a paper 'Immunisation by means of bacterial endotoxins' by R Tanner Hewlett | 2 April 1911 |
| RR/19/109 | Referee's report by William Boog Leishman, on a paper 'An improved method for opsonic index estimations, involving the separation of red and white human blood corpuscles' by Charles Russ | 25 February 1912 |
| NLB/42/377 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 1 June 1910 |
| NLB/42/403 | Copy letter from Theodore E James to Messrs Harrison & Sons | 6 June 1910 |
| NLB/42/700 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 16 August 1910 |
| NLB/45/38 | Copy letter from Robert William Frederick Harrison to Lt-Col Sir W [William] B [Boog] Leishman FRS | 11 December 1911 |
| NLB/46/419 | Copy letter from Robert William Frederick Harrison, to Sir William Leishman, Fellow of the Royal Society, Royal Army Medical College, Grosvenor Road, S.W. | 29 July 1912 |
| NLB/50/185 | Copy letter from Robert William Frederick Harrison, to Sir William [Boog] Leishman, Fellow of the Royal Society | 19 May 1914 |
| RR/21/40 | Referee's report by William Boog Leishman, on a paper 'Infectivity of Glossina morsitans in Nyasaland [Malawi] during 1912 and 1913' by David Bruce, A E Hamerton, D P Watson and Lady Bruce | [May 1914] |
| NLB/62/413 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Boog] Leishman, FRS | 10 February 1922 |
| RR/19/104 | Referee's report by William Boog Leishman, on a paper 'Notes on the life-history of Trypanosoma gambiense, with a brief reference to the cycles of Trypanosoma nanum and Trypanosoma pecorum in Glossina palpalis' by Muriel Robertson | [November 1912] |
| RR/19/99 | Referee's report by William Boog Leishman, on a paper 'A preliminary report on the treatment of human trypanosomiasis and yaws with metallic antimony' by H S Ranken | [January 1912] |
| RR/20/14 | Referee's report by William Boog Leishman, on a paper 'The Trypanosomes causing dourine (mal de boit or bechalseuche)' by B Blacklock and W Yorke | July 1913 |
| NLB/57/517 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir William [Boog] Leishman, FRS, KCMG | 21 November 1919 |
| NLB/67/652 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Boog] Leishman, KCB, FRS | 7 February 1925 |
| NLB/62/427 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Boog] Leishman, FRS | 14 February 1922 |
| NLB/60/719 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Boog] Leishman, FRS | 18 March 1921 |
| RR/20/44 | Referee's report by William Boog Leishman, on a paper 'Further researches on the extrusion of granules by trypanosomes and on their further development' by W B Fry and H S Ranken | January 1913 |
| NLB/57/444 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir William Leishman, FRS | 10 November 1919 |
| NLB/61/858 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary of the Imperial Cancer Research Fund; 8-11 Queen Square, W.C.l. | 4 November 1921 |
| NLB/62/143 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Edward] F. Knapp Fisher Esquire; Secretary to the Governing Body of Westminster School; the Sanctuary, S.W.l. | 9 December 1921 |
| NLB/57/513 | Copy letter from Sir William Bate Hardy, Secretary of the Royal Society; to Sir William Leishman, FRS | 20 November 1919 |
| NLB/62/306 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Boog] Leishman, FRS | 20 January 1922 |
| NLB/62/801 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Boog] Leishman, FRS | 9 May 1922 |
| NLB/63/508 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, FRS | 01 November 1922 |
| NLB/62 | New Letter Book volume 62, copy letters sent from Royal Society administration | 11 November 1921-10 June 1922 |
| NLB/63/670 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, FRS | 28 November 1922 |
| NLB/64/795 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Sir Walter Fletcher, FRS | 19 June 1923 |
| NLB/64/753 | Copy letter from William Bate Hardy, Secretary of the Royal Society;to Godfrey [Lampson Tennyson] Locker-Lampson Esq. | 14 June 1923 |
| NLB/67/662 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, KCB, KCMG, FRS | 10 February 1925 |
| NLB/67/783 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, KCB, KCMG, FRS | 7 March 1925 |
| NLB/67/457 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William [Boog] Leishman, KCB, KCMG, FRS | 2 January 1925 |
| NLB/67/624 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir John Rose Bradford, KCMG, FRS | 2 February 1925 |
| NLB/67/732 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Leonard Rogers, FRS | 24 February 1925 |
| NLB/67/760 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, KCMG, FRS | 2 March 1925 |
| NLB/67/671 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, KCB, KCMG, FRS | 12 February 1925 |
| NLB/67/830 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, KCMG, FRS | 18 March 1925 |
| NLB/67/915 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, KCB, KCMG, FRS | 7 April 1925 |
| NLB/68/219 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, KCMG, FRS | 29 May 1925 |
| CMB/53/24 | Minutes, meeting of the Kala Azar Sub-Committee | 12 May 1925 |
| NLB/67/734 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir William Leishman, KCMG, FRS | 24 February 1925 |
| NLB/69/591 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [William] Bulloch, FRS | 12 June 1926 |
| NLB/69/839 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [Edgar Douglas] Adrian, FRS | 29 October 1926 |
| NLB/69/922 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary, Imperial Cancer Research Fund, 8 Queen Square, Bloombury, WC1 | 17 November 1926 |
| NLB/69/919 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [John Charles Grant] Ledingham, C.M.G., FRS | 17 November 1926 |
| NLB/42/433 | Copy letter from Robert William Frederick Harrison to J [Joseph] Barcroft, FRS [Fellow of the Royal Society] | 13 June 1910 |
| NLB/66/50 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; [to the Public Press] | 14 February 1924 |
| NLB/66/2 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary of the British Empire Cancer Campaign. | 1 February 1924 |
| NLB/69/692 | Copy letter from Sir Ernest Rutherford, President of the Royal Society; to Sir Walter [Morley] Fletcher, FRS | 23 July 1926 |
| CD/71/6 | Letter from [the Royal Society], to Sir William Leishman | 4 July 1919 |
| NLB/67 | New Letter Book volume 67, copy letters sent from Royal Society administration | 26 September 1924-23 April 1925 |
| NLB/57 | New Letter Book volume 57, copy letters sent from Royal Society administration | 27 June 1919-27 February 1920 |
| RR/27/43 | Referee's report by William Boog Leishman, on a paper 'An inquiry into an outbreak of human trypanosomiasis in a “Glossina morsitans” belt to the east of Mwanza, Tanganyika territory' by H Lyndhurst Duke | 12 November 1922 |
| MDA/C/9/8 | Correspondence on the Foulerton Professorship held by Ernest Henry Starling | 1922-1928 |