| RefNo | Title | Date |
| MS/525/6/1/5 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 5 January 1915 |
| MS/525/6/6/1/1 | Letter from Henry Bradwardine Jackson to Dugald Clerk | 4 December 1914 |
| MS/525/5/2/7 | Letter from Admiral Henry Bradwardine Jackson to Dugald Clerk | 22 February 1915 |
| MS/525/6/6/1/21 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 5 January 1915 |
| MS/525/6/3/5 | Letter from Henry Bradwardine Jackson to Dugald Clerk | 5 December 1914 |
| MS/525/6/3/3 | Letter from Henry Bradwardine Jackson to Dugald Clerk | 3 December 1914 |
| MS/525/6/2/1 | Letter from Henry Bradwardine Jackson, to Dugald Clerk | 2 December 1914 |
| MS/525/6/3/6 | Letter from Henry Bradwardine Jackson to Dugald Clerk | 26 December 1914 |
| MS/525/6/6/1/16 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 31 December 1914 |
| MS/525/6/6/1/6 | Letter from Henry Bradwardine Jackson, Admiralty, to the Assistant Secretary, The Royal Society | 15 December 1914 |
| MS/525/6/6/1/2 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 1 4 December 1914 |
| MS/525/6/6/2/20 | 'Note on the use & adjustment of a creeping and oscillating mine', by Henry Bradwardine Jackson | 8 March 1915 |
| MS/525/6/6/1/9 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 18 December 1914 |
| MS/525/6/6/1/3 | 'Effect of current on the depth and angle of mooring rope of a spherical mine' by Henry Bradwardine Jackson | 26 December 1914 |
| MS/525/6/6/1/12 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 23 December 1914 |
| MS/525/6/6/1/11 | 'Note on the practical use of creeping mines' by Henry Bradwardine Jackson | 20 December 1914 |
| MS/525/6/6/1/10 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 21 December 1914 |
| MS/525/6/6/2/17 | Letter from Henry Bradwardine Jackson, Admiralty, to [Dugald] Clerk | 4 March 1915 |
| MS/525/6/6/2/19 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 8 March 1915 |
| CMB/36/4 | Copy, letter from R H Brade of the War Office, Whitehall, to Admiral Sir Henry Jackson, at the Royal Society | 21 November 1914 |
| MS/525/7/2/12 | Letter from Henry Bradwardine Jackson to Professor [Arthur] Schuster | 10 February 1915 |
| MS/525/7/2/21 | Letter from Henry Bradwardine Jackson, Admiralty, to Dugald Clerk | 18 February 1915 |
| NLB/25/47 | Copy letter from Robert William Frederick Harrison, to Captain Henry Bradwardine Jackson, Fellow of the Royal Society | 30 July 1902 |
| NLB/37/255 | Copy letter from Robert William Frederick Harrison to Harrison & Sons | 22 February 1908 |
| NLB/32/349 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons, St Martin's Lane, W.C. | 24 February 1906 |
| NLB/32/319 | Copy letter from Robert William Frederick Harrison, to Messrs Longmans, Green and Company, 39 Paternoster Row, London, E.C. | 19 February 1906 |
| NLB/42/765 | Copy letter from Robert William Frederick Harrison [signed by Theodore E James] to Messrs Harrison & Sons | 4 October 1910 |
| NLB/63/431 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Admiral Sir Henry Jackson, FRS | 13 October 1922 |
| NLB/64/12 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Admiral Sir Henry [Bradwardine] Jackson, FRS | 19 January 1923 |
| NLB/64/114 | Copy letter from Charles Scott Sherrington, President of the Royal Society; to Sir Herbert [Bradwardine] Jackson, FRS | 2 February 1923 |
| NLB/59/423 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir [Henry Bradwardine] Jackson, FRS | 1 October 1920 |
| NLB/59/365 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry [Bradwardine] Jackson, FRS | 24 September 1920 |
| IM/002384 | Jackson, Sir Henry Bradwardine | 1922 |
| NLB/57/170 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to unknown correspondent | 1 August 1919 |
| NLB/57/593 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to the Director [Sir Joseph Ernest Petavel, FRS, KBE], the National Physical Laboratory | 12 December 1919 |
| NLB/67/292 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry [Bradwardine] Jackson, GCB, FRS, Admiral of the Fleet | 1 December 1924 |
| NLB/62/141 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Admiral of the Fleet, Sir Henry [Bradwardine] Jackson, FRS | 9 December 1921 |
| NLB/57/602 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Admiral Sir Henry [Bradwardine] Jackson, FRS, GCBE, ECVO | 13 December 1919 |
| NLB/62/161 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Secretary of the Air Conference Committee, Air Ministry, Kingsway, W.C.2. | 13 December 1921 |
| NLB/62/288 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry [Bradwardine] Jackson, FRS | 19 January 1922 |
| NLB/64/52 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary of the Air Conference Committee; Air Ministry, Kingsway | 23 January 1923 |
| NLB/70/51 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Henry Jackson, GCB, KCVO; Admiral of the Fleet, 37 Catherine Street, S.W.1. | 10 December 1926 |
| NLB/69/256 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Admiral Sir Henry Jackson, FRS | 16 February 1926 |
| NLB/67/314 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Henry [Bradwardine] Jackson, GCB, FRS, Admiral of the Fleet | 4 December 1924 |
| NLB/69/868 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to the Admiral of the Fleet, Sir Henry [Bradwardine] Jackson, G.C.B, K.C.V.O., FRS | 4 November 1926 |
| NLB/69/189 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Admiral Sir Henry [Bradwardine] Jackson, FRS | 25 January 1926 |
| NLB/69/728 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Richard Glazebrook, K.C.B, FRS | 15 September 1926 |
| NLB/69/283 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to to Sir Ernest Rutherford, O.M. FRS | 22 February 1926 |
| NLB/68/951 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Admiral Sir Henry Jackson, GCB, FRS | 7 December 1925 |
| NLB/70/416 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Admiral Sir Henry [Bradwardine] Jackson, GCB, FRS | 25 March 1927 |
| NLB/68/959 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Admiral Sir Henry Jackson, GCB, FRS | 8 December 1925 |
| NLB/71/264 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Edward Victor] Appleton, FRS | 2 March 1928 |
| EC/1901/06 | Jackson, Sir Henry Bradwardine: certificate of election to the Royal Society | |
| RR/16/317 | Referee's report by Sydney Howard Vines, on a paper 'Further observations on the germination of the seeds of the castor oil plant (ricinus communis)' by Joseph Reynolds Green and Henry Bradwardine Jackson | 30 May 1905 |
| RR/25/25 | Referee's report by Alan Archibald Campbell Swinton, on a paper 'Experiments demonstrating an electrical effect in vibrating metals' by Henry Bradwardine Jackson and G B Bryan | 25 December 1918 |
| NLB/57/701 | Copy letter from Sir William Bate Hardy, FRS, Secretary of the Royal Society [?]; to Admiral Sir Henry B [Braderwine] Jackson, FRS, GCB | 20 January 1920 |
| NLB/70/982 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Richard Glazebrook, KCB, Foreign Secretary of the Royal Society | 1 December 1927 |
| NLB/64 | New Letter Book volume 64, copy letters sent from Royal Society administration | 19 January 1923-11 July 1923 |
| NLB/57 | New Letter Book volume 57, copy letters sent from Royal Society administration | 27 June 1919-27 February 1920 |
| RR/17/163 | Referee's report by Henry Bradwardine Jackson, on a paper 'Exterior ballistics. (No. 2.)' by George Forbes | 14 November 1907 |