| Reference number | Title | Date |
| IM/002012 | Heape, Walter | nd |
| IM/Maull/002010 | Heape, Walter | nd |
| NLB/18/573 | Copy letter from Robert William Frederick Harrison, to W Heape, Heyroun, Chaucer Road, Cambridge | 5 April 1899 |
| NLB/8/940 | Copy letter from Herbert Rix, to the Cambridge Engraving Company, Cambridge | 26 January 1894 |
| NLB/9/776 | Copy letter from Herbert Rix, to Messrs Harrison & Sons | 12 July 1894 |
| NLB/9/650 | Copy letter from an unknown correspondent, to The Cambridge Engraving Company | 22 June 1894 |
| NLB/13/103 | Copy letter from Robert William Frederick Harrison, to Walter Heape, [Fellow of the Royal Society], Heyroun, Chaucer Road, Cambridge | 15 June 1896 |
| NLB/13/506 | Copy letter from Robert William Frederick Harrison, to Mr Frederick Huth, 43 AlbanyStreet, Edinburgh | 1 October 1896 |
| NLB/14/524 | Copy letter from Robert William Frederick Harrison, to Mr Huth, Edinburgh | 24 March 1897 |
| NLB/14/236 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons, St Martin's Lane, W.C. | 29 January 1897 |
| NLB/14/331 | Copy letter from Robert William Frederick Harrison, to Professor Edward Albert Sharpey-Schafer, Fellow of the Royal Society, Chairman of the Physiology Committee | 19 February 1897 |
| NLB/14/535 | Copy letter from Arthur William Rucker, to Walter Heape, [Fellow of the Royal Society], Heyroun, Chaucer Road, Cambridge | 24 March 1897 |
| RR/16/324 | Referee's report by Charles Scott Sherrington, on a paper 'Ovalation and degeneration of ova in the rabbit' by Walter Heape | April 1905 |
| NLB/34/909 | Copy letter from Robert William Frederick Harrison, to Walter Heape, Fellow of the Royal Society | 25 March 1907 |
| NLB/30/483 | Copy letter from Robert William Frederick Harrison, to Walter Heape, [Fellows of the Royal Society] | 31 March 1905 |
| NLB/32/747 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | [19 May 1906] |
| NLB/38/580 | Copy letter from Archibald Geikie, to Walter Heape, Fellow of the Royal Society | 30 September 1908 |
| NLB/39/231 | Copy letter from Robert William Frederick Harrison to Professor S [Sydney] J [John] Hickson, Fellow of the Royal Society | 15 December 1908 |
| NLB/39/114 | Copy letter from Archibald Geikie to W [Walter] Heape, Fellow of the Royal Society | 27 November 1908 |
| NLB/39/655 | Copy letter from Joseph Larmor to Walter Heape, Fellow of the Royal Society | 19 February 1909 |
| NLB/39/430 | Copy letter from Robert William Frederick Harrison to Professor [Sidney Frederick] Harmer, Fellow of the Royal Society | 21 January 1909 |
| NLB/39/736 | Copy letter from Robert William Frederick Harrison to W [Walter] Heape, Fellow of the Royal Society | 2 March 1909 |
| NLB/39/573 | Copy letter from Robert William Frederick Harrison to Walter Heape, Fellow of the Royal Society | 8 February 1909 |
| MC/23/212 | Letter from Walter Heape, Greyfriars, Southwold, to the Secretaries, the Royal Society | 24 November 1908 |
| NLB/48/761 | Copy letter from Robert William Frederick Harrison, to [Walter] Heape, Fellow of the Royal Society | 8 October 1913 |
| NLB/48/559 | Copy letter from Robert William Frederick Harrison, to [Walter] Heape, [Fellow of the Royal Society] | 25 July 1913 |
| NLB/59/816 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Walter Heape Esquire, FRS; Furze Hill, Salcombe, South Davon | 16 November 1920 |
| RR/13/192 | Referee's report by Arthur Schuster, on a paper 'The artificial insemination of mammals and subsequent possible fertilisation or impregnation of their ova' by Walter Heape | 10 March 1897 |
| RR/29/23 | Referee's report by Walter Heape, on a paper 'Experimental hermaphroditism on quantitative lines' by A Lipschutz and W Krause | July 1923 |
| RR/29/60 | Referee's report by Walter Heape, on a paper 'The placentation of hyrax capensis' by [Dorothy] Thursby-Pelham | 16 October 1923 |
| RR/33/7 | Referee's report by Walter Heape, on a paper 'On the effect of the ovarian hormone in producing pro-œstrous development in the dog and rabbit' by S A Asdell and Francis Hugh Adam Marshall | January 1927 |
| NLB/65/147 | Copy letter from David Prain, Treasurer of the Royal Society; to Walter Heape Esq., FRS | 13 August 1923 |
| RR/13/191 | Referee's report by Francis Galton, on a paper 'The artificial insemination of mammals and subsequent possible fertilisation or impregnation of their ova' by Walter Heape | 5 March 1897 |
| RR/36/91 | Referee's report by Walter Heape, on a paper 'The relation between “density” of sperm-suspension and fertility as determined by artificial insemination of rabbits' by Arthur Walton | [February 1927] |
| RR/13/41 | Referee's report by Edward Albert Sharpey-Schafer, on a paper 'The menstruation and ovulation of Macacus rhesus' by Walter Heape | 6 August 1896 |
| RR/17/447 | Referee's report by Walter Heape, on a paper 'The thyroid and parathyroid glands throughout vertebrates, with observations on some other closely related structures' by F D Thompson | February 1910 |
| RR/17/296 | Referee's report by Alfred Cort Haddon, on a paper 'The proportion of the sexes produced by whites and 'coloured people' in Cuba' by Walter Heape | 1 November 1908 |
| RR/29/35 | Referee's report by Walter Heape, on a paper 'Studies on the sex-ratio and related phenomena. Part I - Foetal retrogression in mice' by Alan Sterling Parkes | October 1923 |
| RR/17/297 | Referee's report by Francis Galton, on a paper 'The proportion of the sexes produced by whites and 'coloured people' in Cuba' by Walter Heape | November 1908 |
| NLB/64/708 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Walter] Heape Esq., FRS | 6 June 1923 |
| RR/11/281 | Referee's report by Edward Emanuel Klein, on a paper 'The menstruation of Semnopithecus entellus' by Walter Heape | 1893 |
| NLB/66/254 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to [Walter] Heape Esq., FRS | 27 March 1924 |
| NLB/66/70 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Walter] Heape, FRS | 16 February 1924 |
| NLB/64/746 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs. Walturdaw Co Ltd. of Gerrard Street, W.1 | 13 June 1923 |
| RR/30/61 | Referee's report by Walter Heape, on a paper 'The physiology of reproduction in the cow' by John Hammond | [March 1924] |
| NLB/65/326 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir John Rose Bradford, KCMG, FRS | 11 October 1923 |
| NLB/64/772 | Copy letter from [Francis Alexander Towle], Assistant Secretary of the Royal Society; to [Walter] Heape Esq. FRS | 15 June 1923 |
| NLB/66/15 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Walter] Heape, FRS | 7 February 1924 |
| NLB/68/143 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir John Rose Bradford, KCMG, FRS | 20 May 1925 |
| NLB/39/44 | Copy letter from Robert William Frederick Harrison to Unknown Recipient | 17 November 1908 |
| NLB/39/91 | Copy letter from Robert William Frederick Harrison to Sir George H [Howard] Darwin, KCB, Fellow of the Royal Society | 25 November 1908 |
| NLB/39/171 | Copy letter from Robert William Frederick Harrison to Professor S [Sydney] J [John] Hickson, Fellow of the Royal Society, Chairman of the Zoology Sectional Committee | 4 December 1908 |
| RR/32/102 | Referee's report by Walter Heape, on paper 'The effects on fertility and the sex-ratio of sub-sterility exposures to X-rays' by Alan Sterling Parkes | May 1925 |
| EC/1906/06 | Heape, Walter: certificate of election to the Royal Society | |
| IM/002011 | Heape, Walter | 1922 |
| PP/16/35 | Printed proof, 'Preliminary note on the transplantation and growth of mammalian ova within a uterine foster-mother' by Walter Heape | 1890 |
| RR/11/280 | Referee's report by Edward Albert Schafer, on a paper 'The menstruation of Semnopithecus entellus' by Walter Heape | 26 July 1893 |
| RR/13/40 | Referee's report by William Turner, on a paper 'The menstruation and ovulation of Macacus rhesus' by Walter Heape | 1 August 1896 |
| PP/1/15 | Paper, 'On the germinal layers and early development of the mole' by Walter Heape | 1881 |
| MC/19/299 | Letter from Walter Heape, Heyroun, Chaucer Road, Cambridge, to the Secretaries of the Royal Society | 2 February 1904 |
| MC/19/298 | Letter from Walter Heape, Heyroun, Chaucer Road, Cambridge, to the Secretaries of the Royal Society | 25 January 1904 |
| NLB/39/166 | Copy letter from Robert William Frederick Harrison to Walter Heape, Fellow of the Royal Society | 4 December 1908 |
| MC/21 | Volume 21 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1906 |
| MC/19 | Volume 19 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1904 |
| MC/21/302 | Letter from Walter Heape, Heyroun, Chaucer Road, Cambridge, to the Secretaries of the Royal Society | 7 May 1906 |
| MC/21/303 | Letter from Walter Heape, Strathmore, to [Robert William Frederick] Harrison | 16 October 1906 |
| MC/35/78 | Letter from Walter Heape, 2 Nevill Park, Tunbridge Wells, to the Assistant Secretary of the Royal Society | [May 1921] |