| Reference number | Title | Date |
| EC/1906/10 | Macallum, Archibald Byron: certificate of election to the Royal Society | |
| IM/002850 | Macallum, Archibald Bryan | nd |
| NLB/5/677 | Copy letter from A H White, to Dr Archibald Byron Macallum | 3 September 1891 |
| NLB/10/486 | Copy letter from Herbert Rix, to Professor Michael Foster | 4 December 1894 |
| RR/16/344 | Referee's report by Charles Scott Sherrington, on a paper 'The distribution of chloride in nerve cells & fibres' by Professor Archibald Byron Macallum and Miss M L Menten | 10 August 1905 |
| NLB/33/660 | Copy letter from Robert William Frederick Harrison, to Professor Archibald Byron Macallum, Fellow of the Royal Society | 16 October 1906 |
| NLB/32/747 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | [19 May 1906] |
| NLB/32/889 | Copy letter from Robert William Frederick Harrison, to Professor Archibald Byron Macallum, 59 George Street, Toronto | 12 June 1906 |
| NLB/43/413 | Copy letter from Robert William Frederick Harrison, to Professor Archibald Byron Macallum, Fellow of the Royal Society | 5 January 1911 |
| NLB/42/441 | Copy letter from Robert William Frederick Harrison to Professor A [Archibald] B [Byron] Macallum FRS | 14 June 1910 |
| NLB/42/666 | Copy letter from Robert William Frederick Harrison to Professor A [Archibald] B [Byron] Macallum FRS | 28 July 1910 |
| NLB/44/593 | Copy letter from Robert William Frederick Harrison [signed by Theordore E James] to Professor A [Archibald] B [Byron] Macallum FRS | 14 September 1911 |
| NLB/47/225 | Copy letter from Robert William Frederick Harrison to Professor A [Archibald] B [Byron] Macallum FRS | 20 December 1912 |
| NLB/47/426 | Copy letter from Robert William Frederick Harrison to Professor A [Archibald] B [Byron] Macallum FRS | 29 January 1913 |
| NLB/47/831 | Copy letter from Robert William Frederick Harrison to Professor A [Archibald] B [Byron] Macallum FRS | 18 April 1913 |
| RR/11/68 | Referee's report by Harry Marshall Ward, on a paper 'On the demonstration of the presence of iron in chromatin by micro-chemical methods' by Archibald Byron Macallum | 6 June 1891 |
| RR/11/67 | Referee's report by Arthur Gamgee, on a paper 'On the demonstration of the presence of iron in chromatin by micro-chemical methods' by Archibald Byron Macallum | 23 June 1891 |
| RR/12/193 | Referee's report by William Dobinson Halliburton, on a paper [attributed] 'On the distribution of assimilated iron compounds, other than haemoglobin and haematins, in animal and vegetable cells. Preliminary communication' by Archibald Byron Macallum | 1 December 1894 |
| RR/18/55 | Referee's report by William Bate Hardy, on a paper 'The inorganic composition of the blood in vertebrates and invertebrates, and its origin' by Archibald Byron Macallum | July 1910 |
| RR/20/88 | Referee's report by William Maddock Bayliss, on a paper 'Acineta tuberosa: A study on the action of surface tension in determining the distribution of salts in living matter' by Archibald Byron Macallum | April 1913 |
| RR/20/87 | Referee's report by William Bate Hardy, on a paper 'Acineta tuberosa: A study on the action of surface tension in determining the distribution of salts in living matter' by Archibald Byron Macallum | 1913 |
| NLB/66/256 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Archibald Byron] Macallum ,FRS | 28 March 1924 |
| RR/46/21 | Second referee's report by John James Rickard Macleod, on a paper 'The relation of the duodenal mucosa to the internal secretion of the pancreas' by N B Laughton and Archibald Byron Macallum | nd [March 1932] |
| NLB/70/307 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Archibald Byron] Macallum, FRS | 1 March 1927 |
| NLB/66/341 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Sir Charles Sherrington, G.B.E, President of the Royal Society; Solent Cliffs Hotel, Bournemouth. | 11 April 1924 |
| MDA/C/1/1 | Correspondence relating to the Arundel Library Fund | 1923-1924 |
| MDA/C/1/2 | Correspondence relating to the Arundel Library Fund | 1925 |
| RR/37/96 | Referee's report by William Bate Hardy, on a paper 'Ionic mobility as a factor in influencing the distribution of potassium in living matter' by Archibald Byron Macallum | December 1928 |
| PP/18/15 | Paper, 'On the demonstration of the presence of iron in chromatin by micro-chemical methods' by Archibald Byron Macallum | 1891 |
| RR/46/22 | Referee's report by John James Rickard Macleod, on a paper 'The relation of the duodenal mucosa to the internal secretion of the pancreas' by N B Laughton and Archibald Byron Macallum | nd [January 1932] |
| MC/21 | Volume 21 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1906 |
| NLB/46/725 | Copy letter from Robert William Frederick Harrison, to Professor Archibald Byron Macallum, Fellow of the Royal Society | 23 October 1912 |
| MC/27/237 | Letter from [Archibald Byron] Macallum, Pension Enschler, 22a Ludwigshusse, Munich, to Robert Harrison, [Assistant] Secretary, Royal Society | 22 August 1912 |
| MC/27/238 | Letter from [Archibald Byron] Macallum, University of Toronto, to Robert Harrison, Assistant Secretary Royal Society, Burlington House, Piccadilly, London, West, England | 30 September 1912 |
| MC/27/239 | Letter from [Archibald Byron] Macallum, University of Tornoto, to Robert Harrison, Assistant Secretary, Royal Society, Burlington House, London, W, England | 4 November 1912 |
| MC/28/188 | Letter from [Archibald Byron] Macallum, University of Toronto, Biochemistry, to Robert Harrison, Assistant Secretary Royal Society, Burlington House, Piccadilly, London, W, England | 13 January 1913 |
| MC/21/402 | Letter from [Archibald Byron] Macallum, University of Toronto, Physiology, to [William Dobinson] Halliburton | 26 April 1906 |
| MC/21/404 | Letter from [Archibald Byron] Macallum, Beechwood, Busby, Lanarkshire, to [Robert William Frederick] Harrison, Assistant Secretary of the Royal Society | 20 September 1906 |