| Reference number | Title | Date |
| EC/1881/14 | Macalister, Alexander: certificate of election to the Royal Society | |
| NLB/4/701 | Copy letter from Herbert Rix, to Professor Alexander Macalister, Fellow of the Royal Society | 1 October 1890 |
| NLB/3/700 | Copy letter from an unknown correspondent, to Harrison & Sons | 19 September 1889 |
| NLB/6/33 | Copy letter from Herbert Rix, to Professor Alexander Macalister | 12 February 1892 |
| NLB/6/220 | Copy letter from Herbert Rix, to Professor Alexander Macalister, Fellow of the Royal Society | 26 March 1892 |
| NLB/6/384 | Copy letter from Herbert Rix, to Professor Alexander Macalister | 29 April 1892 |
| NLB/22/164 | Copy letter from Robert William Frederick Harrison, to Professor [Alexander] Macalister, Fellow of the Royal Society | 15 March 1901 |
| NLB/10/160 | Copy letter from Herbert Rix, to Professor Alexander Macalister, Fellow of the Royal Society | 9 October 1894 |
| NLB/12/534 | Copy letter from Herbert Rix, to Professor Alexander Macalister, Fellow of the Royal Society | 9 March 1896 |
| RR/15/79 | Referee's report by Alexander Macalister, on a paper 'Data for the problem of evolution in man VI. A first study of the correlation of the human skull' by Alice Lee and Karl Pearson | October 1900 |
| RR/15/194 | Referee's report by Alexander Macalister, on a paper 'The anatomy of symmetrical double monstrosities in the trout' by James Fairlie Gemmill | March 1901 |
| NLB/14/868 | Copy letter from Robert William Frederick Harrison, to Professor Alexander Macalister, Fellow of the Royal Society | 31 May 1897 |
| NLB/14/851 | Copy letter from Robert William Frederick Harrison, to Professor Alexander Maclaister, Fellow of the Royal Society | 28 May 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/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/21/247 | Copy letter from Robert William Frederick Harrison, to Professor Alexander Macalister, Fellow of the Royal Society | 10 October 1900 |
| NLB/21/348 | Copy letter from Robert William Frederick Harrison, to Professor Alexander Macalister, Fellow of the Royal Society | 2 November 1900 |
| NLB/23/1/167 | Copy letter from Robert William Frederick Harrison, to Professor Alexander Macalister, Fellow of the Royal Society | 4 October 1901 |
| NLB/29/480 | Copy letter from Robert William Frederick Harrison, to Professor Alexander Macalister, Fellow of the Royal Society | 21 October 1904 |
| NLB/24/299 | Copy letter from Robert William Frederick Harrison, to Professor Alexander Macalister, Fellow of the Royal Society | 22 April 1902 |
| RR/7/184 | Referee's report by George Jackson Mivart, on a paper 'The myology of the cheiroptera' by Alexander Macalister | 3 March 1872 |
| NLB/31/800 | Copy letter from Robert William Frederick Harrison, to Professor Alexander Macalister, Fellow of the Royal Society, Torrisdale, Cambridge | 15 November 1905 |
| NLB/32/457 | Copy letter from Robert William Frederick Harrison, to Professor Walter Frank Raphael Weldon, Fellow of the Royal Society, Chairman of the Zoology Committee | 13 March 1906 |
| NLB/42/779 | Copy letter from Robert William Frederick Harrison to Professor [Alexander] Macalister FRS | 7 October 1910 |
| NLB/42/782 | Copy letter from Robert William Frederick Harrison to Professor A [Alexander] Macalister FRS | 10 October 1910 |
| NLB/46/241 | Copy letter from Robert William Frederick Harrison, to Professor [Alexander] Macalister, Feolin, Island of Jura, Scotland | 28 June 1912 |
| NLB/50/398 | Copy letter from Robert William Frederick Harrison, to Professor [Alexander] Macalister, Fellow of the Royal Society | 3 July 1914 |
| NLB/52/712 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor Alexander MacAlister, FRS | 18 February 1916 |
| RR/7/183 | Referee's report by George Murray Humphry, on a paper 'The myology of the cheiroptera' by Alexander Macalister | 29 January 1872 |
| RR/11/196 | Referee's report by Alexander Macalister, on a paper 'The human sacrum' by A M Paterson | 19 May 1892 |
| RR/9/361 | Referee's report by Alexander Macalister, on a paper 'The minute anatomy of the brachial plexus' by W P Herringham | 23 June 1886 |
| RR/10/258 | Referee's report by Alexander Macalister, on a paper 'The spinal curvature in an aboriginal Australian' by Daniel John Cunningham | 14 February 1889 |
| RR/11/189 | Referee's report by Alexander Macalister, on two papers 'On the weight of the brain and its parts' and 'On the brain of the late George Grote FRS' by John Marshall | 31 August 1891 |
| MC/15/17 | Letter from [Edward] Percival Wright, Royal Irish Academy, Dublin, to [Herbert] Rix | 15 February 1889 |
| RR/12/303 | Referee's report by Alexander Macalister, on a paper 'On the development of the branches of the fifth cranial nerve in Man' by A Francis Dixon | [1895] |
| RR/6/48 | Referee's report by George Murray Humphry, on a paper 'On the anatomy of Balaenoptera rostrata' by Alexander Carte and Alexander Macalister | 27 August 1867 |
| NLB/57/380 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor G [Sir Grafton] Elliot Smith, FRS | 29 October 1919 |
| MM/14/160 | Letter from A Macalister, Trinity College Dublin, to William Sharpey | 2 January 1871 |
| NLB/32/219 | Copy letter from Robert William Frederick Harrison, to Professor Sidney Martin, Fellow of the Royal Society, Chairman of the Physiology Committee | 30 January 1906 |
| NLB/32/495 | Copy letter from Robert William Frederick Harrison, to Professor Sidney Howard Cox Martin, Chairman of the Physiology Sectional Committee | 19 March 1906 |
| RR/10/57 | Referee's report by Alexander Macalister, on a paper 'The development of the branchial arterial arches in birds, with special reference to the origin of the subclavians and carotids' by John Yule Mackay | 20 July 1887 |
| RR/10/192 | Referee's report by Alexander Macalister, on a paper 'The early development of the pericardium, diaphragm, and great veins' by C B Lockwood | 7 February 1888 |
| AP/66/19 | Unpublished paper, 'The pectoral group of muscles' by Bertram Windle | 1888 |
| AP/76/8 | Unpublished paper, 'An account of certain anomalous conditions of the cerebrum' by W L H [Wynfrid Lawrence Henry] Duckworth | 1905 |
| PP/5/20 | Paper, 'Notes on the varieties and morphology of the human lachrymal bone and its accessory ossicles' by A [Alexander] Macalister | 1884 |
| PP/5/20/1 | Manuscript, 'Notes on the varieties and morphology of the human lachrymal bone and its accessory ossicles' by A [Alexander] Macalister | 1884 |
| PP/5/20/2 | Figures, the human lachrymal bone and its accessory ossicles' by A [Alexander] Macalister | 1884 |
| RR/13/309 | Referee's report by Alexander Macalister, on a paper 'An investigation on the variability of the human skeleton: with especial reference to the Naqada race discovered by Professor Flinders Petrie in his explorations in Egypt' by Ernest Warren | 1 June 1897 |
| AP/74/1 | Unpublished paper, 'On the topographical anatomy of the abdominal visceral, especially the gastro-intestinal canal' by Christopher Addison | 1898 |
| MC/15 | Volume 15 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1889-1892 |
| MC/16 | Volume 16 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1893-1896 |
| MC/17 | Volume 17 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1897-1899 |
| MC/20/150 | Letter from [Alexander] Macalister, Torrisdale, Cambridge, to [Robert William Frederick] Harrison | 24 November 1905 |
| MC/27/236 | Letter from Alex Macalister, Torrisdale, Cambridge, to the [Royal Society] | 20 December 1912 |
| MC/27/235 | Letter from Alex Macalister, Torrisdale, Cambridge, to Sir Archibald [Geikie], [Royal Society] | 1 March 1912 |
| MC/29/176 | Letter from [Alexander] Macalister, New Museums, Cambridge, to The Assistant Secretary, Royal Society | 22 June 1914 |
| MC/20 | Volume 20 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1905 |