| RefNo | Title | Date |
| IM/003109 | Milne, John | nd |
| MC/20/181 | Letter from John Milne, Shide, Newport, Isle of Wight, to [Robert William Frederick] Harrison | 10 June 1905 |
| EC/1887/13 | Milne, John: certificate of election to the Royal Society | |
| NLB/26/55 | Copy letter from Robert William Frederick Harrison to, Professor John Milne, Fellow of the Royal Society | 21 January 1903 |
| NLB/1/575 | Copy letter from Herbert Rix, to Mr Arnott, Ingleside[?], Birdhusrt Rise, Croydon | 23 September 1887 |
| NLB/1/578 | Copy letter from Herbert Rix, to Mr Arnott | 26 September 1887 |
| NLB/2/655 | Copy letter from Herbert Rix, to Professor John Milne, Fellow of the Royal Society | 4 October 1888 |
| NLB/3/356 | Copy letter from an unknown correspondent, to Harrison & Son's | [May 1889] |
| NLB/7/844 | Copy letter from Herbert Rix, to Mrs Arnott, Ingleside, Birdhurt Rise, Croydon | 8 May 1893 |
| NLB/8/13 | Copy letter from Herbert Rix, to Professor John Milne, Fellow of the Royal Society, Imperial College of Engineering, Tokyo, Japan | 29 June 1893 |
| NLB/11/457 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | 5 July 1895 |
| NLB/14/101 | Copy letter from Arthur William Rucker, to Professor John Milne, Fellow of the Royal Society | 5 January 1897 |
| NLB/14/103 | Copy letter from an unknown correspondent, to Professor John Milne, Fellow of the Royal Society | 5 January 1897 |
| NLB/19/222 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Shide Hill House, Shide, Newport | 14 July 1899 |
| NLB/22/504 | Copy letter from Robert William Frederick Harrison, to Professor [John] Milne, Fellow of the Royal Society | 24 May 1901 |
| NLB/19/115 | Copy letter from Arthur William Rucker, to Professor George Carey Foster, [Fellow of the Royal Society] | 26 June 1899 |
| NLB/26/112 | Copy letter from unknown correspondent to, Professor John Milne, Fellow of the Royal Society | 27 January 1903 |
| NLB/34/559 | Copy letter from Archibald Geikie, to Dr John Milne, Fellow of the Royal Society, Shide, Isle of Wight | 7 February 1907 |
| NLB/23/1/622 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society, Shide, Newport, Isle of Wight | 16 December 1901 |
| NLB/23/1/628 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society, Shide, Newport, Isle of Wight | 18 December 1901 |
| NLB/23/2/318 | Copy letter sent from Sir Michael Foster, to The Under Secretary of State for Foreign Affairs, Foreign Office | 25 March 1903 |
| NLB/23/1/834 | Copy letter from Joseph Larmor, to Professor John Milne, [Fellow of the Royal Society] | 30 January 1902 |
| NLB/25/23 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 24 July 1902 |
| NLB/25/368 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 23 October 1902 |
| NLB/29/603 | Copy letter from Archibald Geikie, to Dr John Milne, [Fellow of the Royal Society] | 12 November 1904 |
| NLB/25/558 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 19 November 1902 |
| NLB/26/801 | Copy letter from Robert William Frederick Harrison to, Professor John Milne, Fellow of the Royal Society, Newport | 4 June 1903 |
| NLB/26/783 | Copy letter from Robert William Frederick Harrison to, Professor John Milne, Fellow of the Royal Society | 29 May 1903 |
| NLB/28/38 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 22 December 1903 |
| NLB/30/192 | Copy letter from Archibald Geikie, to John Milne, Fellow of the Royal Society, Shide, Isle of Wight | 10 February 1905 |
| NLB/30/104 | Copy letter from Archibald Geikie, to John Milne, Fellow of the Royal Society | 30 January 1905 |
| MC/20/179 | Letter from John Milne, Shide, Newport, Isle of Wight, to [Robert William Frederick] Harrison | 26 February 1905 |
| MC/20/180 | Letter from John Milne, Shide, Newport, Isle of Wight, to Sir Archibald [Geikie] | 24 May 1905 |
| NLB/37/811 | Copy letter from Archibald Geikie to Professor J [John] Milne | 19 May 1908 |
| NLB/30/817 | Copy letter from Archibald Geikie, to Mr [John] Milne, [Fellow of the Royal Society] | 29 May 1905 |
| NLB/31/19 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 7 June 1905 |
| NLB/28/785 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 20 May 1904 |
| NLB/31/194 | Copy letter from Archibald Geikie, to Professor [John] Milne, [Fellow of the Royal Society] | 8 July 1905 |
| NLB/31/257 | Copy letter from Archibald Geikie, to Professor [John] Milne, [Fellow of the Royal Society] | 17 July 1905 |
| NLB/29/536 | Copy letter from Archibald Geikie, to [John Milne], [Fellow of the Royal Society] | 2 November 1904 |
| NLB/34/405 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 15 January 1907 |
| NLB/32/177 | Copy letter from Archibald Geikie, to John Milne, [Fellow of the Royal Society] | 22 January 1906 |
| NLB/31/673 | Copy letter from Archibald Geikie, to Professor [John] Milne, [Fellow of the Royal Society] | 31 October 1905 |
| NLB/32/260 | Copy letter from Archibald Geikie, to Professor John Milne, [Fellow of the Royal Society] | 8 February 1906 |
| NLB/32/514 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 23 March 1906 |
| NLB/32/395 | Copy letter from Archibald Geikie, to John Milne, [Fellow of the Royal Society] | 5 March 1906 |
| NLB/32/634 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 26 April 1906 |
| NLB/34/322 | Copy letter from Archibald Geikie, John Milne, [Fellow of the Royal Society] | 3 January 1907 |
| NLB/34/628 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 18 February 1907 |
| NLB/34/394 | Copy letter from Archibald Geikie, to John Milne, Fellow of the Royal Society, Shide, Isle of Wight | 14 January 1907 |
| NLB/34/436 | Copy letter from Archibald Geikie, to Professor John Milne, Fellow of the Royal Society | 22 January 1907 |
| NLB/34/447 | Copy letter from Archibald Geikie, to Professor John Milne, Fellow of the Royal Society | 25 January 1907 |
| NLB/34/621 | Copy letter from Archibald Geikie, to Professor John Milne, Fellow of the Royal Society | 16 February 1907 |
| NLB/38/25 | Copy letter from Archibald Geikie, to Dr John Milne, Fellow of the Royal Society, Shide, Isle of Wight | 3 June 1908 |
| NLB/37/35 | Copy letter from Robert William Frederick Harrison to Professor J [John] Milne FRS | 14 January 1908 |
| NLB/39/219 | Copy letter from Robert William Frederick Harrison to Professor J [John] Milne, Fellow of the Royal Society | 12 December 1908 |
| NLB/37/443 | Copy letter from Robert William Frederick Harrison to Professor J [John] Milne, Fellow of the Royal Society | 20 March 1908 |
| NLB/37/666 | Copy letter from Archibald Geikie to Dr John Milne Fellow of the Royal Society | 29 April 1908 |
| NLB/42/291 | Copy letter from Robert William Frederick Harrison to John Milne, FRS [Fellow of the Royal Society], Shide Hill House, Shide, Newport, Isle of White | 10 May 1910 |
| NLB/40/524 | Copy letter from Robert William Frederick Harrison to Professor J [John] Milne FRS | 21 June 1909 |
| NLB/41/308 | Copy letter from Archibald Geikie, to Professor John Milne, Fellow of the Royal Society | 18 November 1909 |
| NLB/45/766 | Copy letter from Robert William Frederick Harrison to Professor J [John] Milne FRS | 4 May 1912 |
| NLB/45/785 | Copy letter from Robert William Frederick Harrison to Professor J [John] Milne FRS, Shide, Newport, Isle of Wight | 7 May 1912 |
| RR/9/77 | Referee's report by William Edward Ayrton, on a paper 'On seismic experiments' by John Milne and T Gray | 23 February 1882 |
| RR/13/18 | Referee's report by John Milne, on a paper 'On the diurnal periodicity of earthquakes' by Charles Davison | 3 March 1896 |
| RR/9/78 | Referee's report by John Wesley Judd, on a paper 'On seismic experiments' by John Milne and T Gray | 16 March 1882 |
| MS/928/2/121 | Letter from John Milne, Seismological Society of Japan, Imperial University of Japan, Tokyo, to Charles Vernon Boys | 15 May 1891 |
| MS/928/2/122 | Letter from John Milne, Seismological Society of Japan, Tokyo, to Charles Vernon Boys | 5 March 1892 |
| RR/14/211 | Referee's report by John Milne, on a paper 'On the propagation of earthquake motion to great distances' by Richard Dixon Oldham | nd [July 1899] |
| NLB/30/725 | Copy letter from Archibald Geikie, to [John] Milne, [Fellow of the Royal Society] | 12 May 1905 |
| MC/18 | Volume 18 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1903 |
| NLB/4/1050 | Copy letter from Herbert Rix, to Professor John Milne, Fellow of the Royal Society | 5 January 1891 |
| NLB/3/916 | List of corrections in the addresses of Royal Society Fellows | 8 November 1889 |
| NLB/28/68 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society, Shide, Newport | 4 January 1904 |
| NLB/30/253 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 20 February 1905 |
| NLB/30/712 | Copy letter from Archibald Geikie, to Professor [John] Milne, [Fellow of the Royal Society] | 10 May 1905 |
| NLB/31/65 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 14 June 1905 |
| NLB/31/722 | Copy letter from Archibald Geikie, to Professor [John] Milne, [Fellow of the Royal Society] | 6 November 1905 |
| NLB/29/657 | Copy letter from Archibald Geikie, to John Milne, [Fellow of the Royal Society] | 21 November 1904 |
| NLB/29/829 | Copy letter from Archibald Geikie, to Professor John Milne, Fellow of the Royal Society | 16 December 1904 |
| NLB/34/755 | Copy letter from Archibald Geikie, to Professor Herbert Hall Turner, Fellow of the Royal Society | 5 March 1907 |
| NLB/32/52 | Copy letter from Archibald Geikie, to John Milne, [Fellow of the Royal Society] | 19 December 1905 |
| NLB/35/785 | Copy letter from Archibald Geikie, to Dr John Milne, [Fellow of the Royal Society] | 16 July 1907 |
| AP/73/2/1 | Unpublished manuscript, 'On lunar periodicities in earthquake frequency' by C G [Cargill Gilston] Knott | 1896 |
| AP/73/2 | Unpublished paper, 'On lunar periodicities in earthquake frequency' by C G [Cargill Gilston] Knott | 1896 |
| MC/16/1 | Letter from John Milne, Seismological Society of Japan, Tokio, to Lord Kelvin [William Thomson] | 4 January 1893 |
| MC/18/168 | Letter from [John] Milne, Shide, Newport, Isle of Wight, to [Robert Willilam Frederick] Harrison | 5 June 1903 |
| MC/18/36 | Letter from William de Wiveleslie Abney, Board of Education, South Kensington, London, to the Secretary of the Royal Society, Burlington House | 21 March 1903 |
| MC/18/37 | Letter from F G Ogilvie, Board of Education, South Kensington, London, to the Assistant Secretary of the Royal Society, Burlington House | 1 May 1903 |
| MC/16 | Volume 16 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1893-1896 |
| MC/20/177 | Letter from John Milne, Shide, Newport, Isle of Wight, to [Robert William Frederick] Harrison | 12 January 1905 |
| MC/20/178 | Letter from John Milne, Shide, Newport, Isle of Wight, to [Joseph] Larmor | 26 January 1905 |
| NLB/30/96 | Copy letter from Archibald Geikie, to Professor John Milne, [Fellow of the Royal Society] | 27 January 1905 |
| NLB/30/287 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 28 February 1905 |
| NLB/30/802 | Copy letter from Robert William Frederick Harrison, to Professor John Milne, Fellow of the Royal Society | 25 May 1905 |