| Reference number | Title | Date |
| EC/1898/14 | Scott, Alexander: certificate of election to the Royal Society | |
| NLB/7/787 | Copy letter from Herbert Rix, to Messrs Harrison & Sons | 26 April 1893 |
| RR/16/33 | Referee's report by Alexander Scott, on a paper 'A study of the interaction of Mercury and Nitric Acid' by Professor P Chandra | July 1903 |
| RR/16/138 | Referee's report by Alexander Scott, on a paper 'Enzyme action as bearing on the validity of the Ionic-Dissociation Hypothesis and on the phenomena of vital change' by Henry Edward Armstrong | 16 June 1904 |
| RR/16/360 | Referee's report by Alexander Scott, on a paper 'The direct synthesis of ammonia' by Edgar Philip Perman | 15 March 1905 |
| NLB/16/596 | Copy letter of a notice from Robert William Frederick Harrison, to [The Times] | 5 May 1898 |
| NLB/30/354 | Copy letter from Robert William Frederick Harrison, to Dr Alexander Scott, Fellow of the Royal Society | 10 March 1905 |
| NLB/36/149 | Copy letter from Robert William Frederick Harrison, to Dr Alexander Scott, Fellow of the Royal Society | 27 August 1907 |
| NLB/36/302 | Copy letter from Robert William Frederick Harrison, to Dr Alexander Scott, Fellow of the Royal Society | 9 October 1907 |
| NLB/36/213 | Copy letter from Robert William Frederick Harrison, to Dr Alexander Scott, Fellow of the Royal Society | 18 September 1907 |
| NLB/38/476 | Copy letter from Robert William Frederick Harrison, to Dr [Alexander] Scott, Fellow of the Royal Society | 10 August 1908 |
| NLB/42/578 | Copy letter from Robert William Frederick Harrison to Dr Alexander Scott FRS | 8 July 1910 |
| NLB/51/19 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Dr Alenandra Scott FRS | 20 November 1914 |
| RR/18/17 | Referee's report by Alexander Scott, on a paper 'The relative atomic weights of nitrogen and sulphur' by F P Burt and F L Usher | June 1910 |
| RR/17/286a | Referee's report by Alexander Scott, on a paper 'The effect of temperature on the naturalisation - volume change for different salts at different concentrations' by I Freund | July 1908 |
| NLB/54/146 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, Chairman of the Physics and Chemistry Committee and FRS | 17 February 1917 |
| NLB/53/620 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr. Alexander Scott, FRS | 10 November 1916 |
| RR/19/87 | Referee's report by Alexander Scott, on a paper 'On the apparent change in weight during chemical reaction' by [John Job] Manley | 1 July 1912 |
| RR/22/29 | Referee's report by Alexander Scott, on a paper 'The combining volumes of hydrogen and oxygen' by F P Burt and E C Edgar | December 1915 |
| RR/23/74 | Referee's report by Alexander Scott, on a paper 'Problems bearing on residual affinity' by Percival Spencer Umfreville Pickering | February 1917 |
| NLB/57/551 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Secretary, Direct Fish Supplies Ltd; 3 London Wall Buildings EC 2 | 3 December 1919 |
| RR/12/32 | Referee's report by William Augustus Tilden, on a paper 'On the composition of water by volume' by Alexander Scott | 22 March 1893 |
| NLB/60/670 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [Alexander] Scott, FRS | 11 March 1921 |
| RR/12/33 | Referee's report by George Downing Liveing, on a paper 'On the composition of water by volume' by Alexander Scott | 10 April 1893 |
| NLB/59/783 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Dr. [Alexander] Scott, FRS | 11 November 1920 |
| RR/18/62 | Referee's report by Alexander Scott, on a paper 'Observations on the anomalous behaviour of delicate balances and an account of devices for increasing accuracy in weighings' by J J Manley | July 1910 |
| RR/58/49 | Referee's report by Alexander Scott, on a paper 'The refractive index of a solid film of linseed oil rise in refractive index with age' by A P Laurie | November 1936 |
| RR/21/154 | Referee's report by Alexander Scott, on two papers 'Borohydrates.—Part II' and 'Borohydrates.—Part III' by Morris William Travers and others | 2 December 1914 |
| NLB/64/909 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. Alexander Scott, FRS | 9 July 1923 |
| MC/34/160 | Letter from Alexander Scott, 34 Upper Hamilton Terrace, N.W.8., to Mr [Robert] Harrison, [Royal Society] | 8 December 1919 |
| NLB/63/478 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Sidney Harmer, K.B.E., FRS | 26 October 1922 |
| NLB/65/495 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr Alexander Scott, FRS | 8 November 1923 |
| NLB/64/925 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. Alexander Scott, FRS | 11 July 1923 |
| NLB/65/523 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to all members of the Committees' Appointment Committee | 13 November 1923 |
| NLB/72/824 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [Alexander] Scott, FRS | 9 May 1930 |
| NLB/52/471 | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Professor Charles Herbert Lees, Chairman of the Physics and Chemistry Committee and FRS | 17 December 1915 |
| RR/45/1 | Referee's report by Alexander Scott, on a paper 'A revision of the atomic weight of thallium' by Henry Vincent Aird Briscoe, Suetaro Kikuchi and John Buttery Peel | 23 June 1931 |
| NLB/62/570 | Copy letter from John [Millar] Thomson, Chairman of the Library Committee; to the Members of the Library Committee | 14 March 1922 |
| NLB/57 | New Letter Book volume 57, copy letters sent from Royal Society administration | 27 June 1919-27 February 1920 |
| RR/22/42 | Referee's report by Alexander Scott, on a paper 'Some catalytic phenomena, the stages of which have been traced experimentally' by A E Dixon and J Taylor | December 1915 |
| PP/10/49 | Paper, 'On the composition of water by volume' by Alexander Scott | 1887 |
| PP/10/49/1 | Manuscript, 'On the composition of water by volume' by Alexander Scott | 1887 |
| PP/10/49/2 | Diagram, experimental equipment by Alexander Scott | 1887 |
| PP/3/6 | Paper, 'On the atomic weight of manganese' by James Dewar and Alexander Scott | 1883 |
| PP/3/32 | Paper, 'On the molecular weights of the substituted ammonias. No. I. Triethylamine' by James Dewar and Alexander Scott | 1883 |
| RR/16/67 | Referee's report by Alexander Scott, on the Bakerian Lecture 'The constitution of the Copper-Tin series of alloys' by Charles Thomas Heycock and Francis Henry Neville | nd [c March 1903] |
| RR/16/301 | Referee's report by Alexander Scott, on a paper 'The atomic weight of chlorine: An attempt to determine the equivalent of chlorine by direct-burning with hydrogen' by Harold Baily Dixon and E C Edgar | June 1905 |
| RR/32/24 | Referee's report by Alexander Scott, on a paper 'Studies upon catalytic combustion. Part I. The union of carbon monoxide and oxygen in contact with a gold surface' by William Arthur Bone and G W Andrew | 11 August 1925 |
| MC/23/414 | Letter from Alexander Scott, St Ives House, near Ringwood, to Mr [Robert] Harrison, [Royal Society] | 28 September 1908 |
| NLB/38/542 | Copy letter from Joseph Larmor and Sir Archibald Geikie, to Henry Frederick Baker, Fellow of the Royal Society, and others | 16 September 1908 |
| NLB/36/618 | Copy letter from Robert William Frederick Harrison, to Samuel Hawksley Burbury, Fellow of the Royal Society | 20 November 1907 |
| NLB/57/550 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr A [Alexander] Scott, FRS | 2 December 1919 |
| ACS/1/2/1/90 | Enclosures from [Alan Archibald Campbell] Swinton, to Messrs Siemens Bros. & Co. Ltd, and Alexander Scott Esquire, F. R. S, Treasurer [of the Royal Society] | 4 November 1920 |
| ACS/1/2/1/498 | Letter from [Alan Archibald Campbell] Swinton, to Alexander Scott [Equire]., F. R. S., 34 Upper Hamilton Terrace, N. W. 8. | 28 February 1921 |