| RefNo | Title | Date |
| EC/1891/17 | Thompson, Silvanus Phillips: certificate of election to the Royal Society | |
| MS/377/1/143 | Letter from Silvanus Phillips Thompson, to [William Fletcher Barrett] | nd |
| MM/14/181 | Letter from SP Thompson, Chislett Road, to Sir Alfred Ewing | 18 December 1890 |
| MS/377/1/141 | Letter from Silvanus Phillips Thompson, Chislett Road, to [William Fletcher] Barrett | 26 October 1906 |
| MS/377/1/142 | Card from Silvanus Phillips Thompson, Morland, Chislett Road, West Hampstead, to [William Fletcher] Barrett | 15 November 1914 |
| MS/377/1/137 | Letter from Silvanus Phillips Thompson, University College, Bristol, to William Fletcher Barrett | 17 February ny |
| MS/377/1/140 | Postcard from Silvanus Phillips Thompson, to William Fletcher Barrett, 6 De Visci Terrace, Kingstown, Co Dublin | 5 May 1906 |
| MS/377/1/139 | Letter from Silvanus Phillips Thompson, Osborne Hotel, Torquay, to [William Fletcher] Barrett | 10 April 1906 |
| MS/743/1/167 | Letter from Silvanus Phillips Thompson, Morland, Chislett Road, West Hampstead, to Miss Gladstone | 7 November 1908 |
| MS/377/1/134 | Letter from Silvanus Phillips Thompson, University College, Bristol, to [William Fletcher] Barrett | 7 November 1879 |
| MS/743/1/165 | Letter from Silvanus Phillips Thompson, Morland, Chislett Road, West Hampstead, to Miss Gladstone | 26 October [1908] |
| MS/743/1/164 | Letter from Silvanus Phillips Thompson, Morland, Chislett Road, West Hampstead, to Miss Gladstone | 22 June 1901 |
| MS/525/7/1/3 | Card from Syvanus Phillips Thompson, Morland, Chislett Road, West Hampstead, to [Charles] Vernon Boys | 2 August 1915 |
| MC/20/425 | Letter from [Silvanus Phillips] Thompson, Morland, Chislett Road, West Hampstead, to [Robert William Freedrick] Harrison, Assistant Secretary of the Royal Society | 24 November 1905 |
| IM/004547 | Thompson, Silvanus Phillips and Lyon, Harold Thomson | 1899 |
| NLB/34/81 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society, Morland, Chislett Road, West Hampstead, N.W. | 24 November 1906 |
| NLB/19/479 | Copy letter from Robert William Frederick Harrison, to Dr Silvanus Phillips Thompson, [Fellow of the Royal Society] | 11 October 1899 |
| NLB/5/442 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, [Fellow of the Royal Society] | 12 June 1891 |
| NLB/5/425 | Copy letter from Herbert Rix, to Professor Sivanus Phillips Thompson, Fellow of the Royal Society | [6 June 1891] |
| NLB/5/468 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | 23 June 1891 |
| NLB/11/195 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 11 May 1895 |
| NLB/10/115 | Copy letter from Herbert Rix, to Messrs Robarts, Lubbock & Company, 15 Lombard Street, E.C. | 2 October 1894 |
| NLB/10/227 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 26 October 1894 |
| NLB/8/690 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 9 December 1893 |
| NLB/8/995 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society, Morland, Chislett Road, West Hampstead, N.W. | 7 February 1894 |
| NLB/9/242 | Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt], Secretary, Royal Society | 20 April 1894 |
| NLB/9/639 | Copy letter from Herbert Rix, to Professor Sylvanus Thompson, Fellow of the Royal Society | 21 June 1894 |
| NLB/13/19 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 28 May 1896 |
| NLB/12/295 | Copy letter from Herbert Rix, to Professor Michael Foster, [Royal Society] | 24 January 1896 |
| NLB/13/517 | Copy letter from Robert William Frederick Harrison, to Messrs Robarts, Lubbock & Company | 2 October 1896 |
| NLB/13/541 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 5 October 1896 |
| NLB/12/298 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 24 January 1896 |
| NLB/14/58 | Copy letter from Robert William Frederick Harrison, to Dr Silvanus Phillips Thompson, Fellow of the Royal Society | 18 December 1896 |
| NLB/14/129 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 9 January 1897 |
| RR/15/118 | Referee's report by Silvanus Phillips Thompson, on a paper 'The diffusion of ions produced in air by the action of a radio-active substance, ultra-violet light & point discharges' by John Sealy Edward Townsend | June 1900 |
| NLB/14/858 | Copy letter from Arthur William Rucker, to Silvanus Phillips Thompson, Fellow of the Royal Society, Morland, Chislett Road, West Hampstead | 28 May 1897 |
| NLB/14/872 | Copy letter from Arthur William Rucker, to Richard Tetley Glazebrook, [Fellow of the Royal Society] | 31 May 1897 |
| RR/17/238 | Referee's report by Silvanus Phillips Thompson, on a paper 'Effects of self-induction in iron cylinder' by Ernest Wilson | [June 1907] |
| NLB/15/226 | Copy letter from Arthur William Rucker, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | July 1897 |
| NLB/15/247 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 23 July 1897 |
| NLB/15/456 | Copy letter from Arthur William Rucker, to Professor Silvanus Phillips Thompson, [Fellow of the Royal Society] | 6 October 1897 |
| NLB/15/463 | Copy letter from Arthur William Rucker, to Professor Silvanus Phillips Thompson, [Fellow of the Royal Society] | 7 October 1897 |
| NLB/15/469 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 9 October 1897 |
| NLB/15/431 | Copy letter from Robert William Frederick Harrison, to Messrs Robarts Lubbock & Company, 15 Lombard Street, E.C. | [2 October 1897] |
| NLB/15/462 | Copy letter from Arthur William Rucker, to Sir Edward Frankland, [Foreign Secretary, Royal Society] | 7 October 1897 |
| MM/22/81 | Letter from Sylvanus Phillips Thompson, Shanklin, to Dr [Frederick] Guthrie | 8 April n.y. |
| NLB/21/259 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 12 October 1900 |
| NLB/19/471 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 9 October 1899 |
| NLB/19/451 | Copy letter from an unknown correspondent, to Messrs Robarts, Lubbock & Company, 15 Lombard Street, E.C. | 6 October 1899 |
| NLB/19/481 | Copy letter from Robert William Frederick Harrison, to Professor Raphael Meldona, Fellow of the Royal Society | 11 October 1899 |
| NLB/19/794 | Copy letter from Robert William Frederick Harrison, to Professor Raphael Meldola, [Fellow of the Royal Society] | 20 December 1899 |
| NLB/37/708 | Copy letter from Robert William Frederick Harrison to Sir William Crookes | 4 May 1908 |
| NLB/20/431 | Copy letter from Robert William Frederick Harrison, to Professor Raphael Meldola, Fellow of the Royal Society | 25 April 1900 |
| NLB/20/604 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thomspon, Fellow of the Royal Society | 30 May 1900 |
| NLB/20/676 | Copy letter from Robert William Frederick Harrison, to Professor George Carey Foster, Fellow of the Royal Society | 15 June 1900 |
| NLB/25/197 | Copy letter from Theodore E James, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 19 September 1902 |
| NLB/22/328 | Copy letter from Robert William Frederick Harrison, to Silvanus [Phillips] Thomson, Fellow of the Royal Society | 24 April 1901 |
| NLB/23/1/863 | Copy letter from Robert William Frederick Harrison, to Dr Silvanus Phillips Thompson, Fellow of the Royal Society | 8 February 1902 |
| NLB/24/404 | Copy letter from Robert William Frederick Harrison, to Silvanus Phillips Thompson, Fellow of the Royal Society | 9 May 1902 |
| NLB/25/176 | Copy telegram from an unknown correspondent, to Silvanus Phillips Thompson, Morland, West Hampstead | [10 September 1902] |
| NLB/25/27 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 25 July 1902 |
| NLB/25/180 | Copy letter from A H White, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 10 September 1902 |
| NLB/25/489 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 10 November 1902 |
| NLB/28/612 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 18 April 1904 |
| RR/21/68 | Referee's report by Silvanus Phillips Thompson, on a paper 'On a type-reading optophone' by E E Fournier d'Albe | nd [1914] |
| NLB/27/304 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 4 August 1903 |
| NLB/27/466 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 2 October 1903 |
| NLB/27/842 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thomas, Fellow of the Royal Society | 8 December 1903 |
| NLB/33/6 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 15 June 1906 |
| NLB/37/436 | Copy letter from Joseph Larmor to Silvanus Thompson | 18 March 1908 |
| NLB/34/253 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 17 December 1906 |
| NLB/31/36 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Philips Thompson, Fellow of the Royal Society | 9 June 1905 |
| NLB/36/215 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 18 September 1907 |
| NLB/33/150 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society, Morland, West Hampstead, N.W. | 5 July 1906 |
| NLB/35/544 | Copy letter from Joseph Larmor, to Professor Silvanus Phillips Thompson, [Fellow of the Royal Society] | 11 June 1907 |
| NLB/36/153 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 27 August 1907 |
| NLB/32/897 | Copy letter from Robert William Frederick Harrison, to Dr Silvanus Phillips Thompson, Fellow of the Royal Society, Morland, Chislett Road, West Hampstead, N.W. | 13 June 1906 |
| NLB/36/477 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thomson, Fellow of the Royal Society | 1 November 1907 |
| NLB/41/617 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Philips Thompson, Fellow of the Royal Society | 24 January 1910 |
| NLB/37/17 | Copy letter from Robert William Frederick Harrison to Professor [S] Silvanus [P] Phillips Thompson FRS | 10 January 1908 |
| NLB/37/663 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Phillips] Thompson, Fellow of the Royal Society | 29 April 1908 |
| NLB/38/383 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society, and others | 23 July 1908 |
| NLB/39/775 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P Phillips] Thompson, Fellow of the Royal Society | 9 March 1909 |
| NLB/40/306 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Phillips] Thompson FRS | 24 May 1909 |
| NLB/40/424 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Phillips] Thompson FRS | 7 June 1909 |
| NLB/40/725 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Philips] Thompson FRS | 26 July 1909 |
| NLB/40/637 | Copy letter from Robert William Frederick Harrison to S [Silvanus] P [Phillips] Thompson FRS | 12 July 1909 |
| NLB/42/424 | Copy letter from Joseph Larmor to S [Silvaous] P [Phillips] Thompson FRS | 10 June 1910 |
| NLB/40/96 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanius] P [Phillips] Thompson FRS | 5 April 1909 |
| NLB/46/818 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 6 November 1912 |
| NLB/41/436 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 13 December 1909 |
| NLB/44/851 | Copy letter from Robert William Frederick Harrison to Dr S [Silvanus] P [Phillips] Thompson FRS | 29 November 1911 |
| NLB/42/645 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Phillips] Thompson FRS | 23 July 1910 |
| NLB/44/501 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Philips] Thompson FRS | 21 July 1911 |
| NLB/44/357 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Philips] Thompson FRS | 28 June 1911 |
| NLB/45/509 | Copy letter from Joseph Larmor to Professor Silvanus [Phillips] Thompson | 15 March 1912 |
| NLB/46/611 | Copy letter from Robert William Frederick Harrison, to Dr Silvanus Phillips Thompson, Fellow of the Royal Society | 3 October 1912 |
| NLB/46/466 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 3 August 1912 |
| NLB/46/631 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 7 October 1912 |
| NLB/50/26 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Thompson, Fellow of the Royal Society | 20 April 1914 |
| NLB/50/618 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 28 September 1914 |
| NLB/47/412 | Copy letter from Robert William Frederick Harrison to Professor Silvanus P [Phillips] Thompson FRS | 28 January 1913 |
| NLB/47/745 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanus] P [Phillips] Thompson FRS | 4 April 1913 |
| NLB/48/385 | Copy letter from Robert William Frederick Harrison, to [Silvanus Phillips] Thompson, Fellow of the Royal Society | 25 June 1913 |
| NLB/48/840 | Copy telegram from Robert William Frederick Harrison, to Thompson, Morland | [October 1913] |
| NLB/50/318 | Copy letter from Robert William Frederick Harrison, to Professor [Silvanus Phillips] Thompson, Fellow of the Royal Society | 19 June 1914 |
| NLB/48/798 | Copy letter from Robert William Frederick Harrison, to Professor [Silvanus Phillips] Thompson, Fellow of the Royal Society | 15 October 1913 |
| NLB/48/705 | Copy letter from Robert William Frederick Harrison, to Professor [Silvanus Phillips] Thompson, Fellow of the Royal Society | 29 September 1913 |
| NLB/50/203 | Copy letter from Robert William Frederick Harrison, to Dr [Silvanus Phillips] Thompson, Fellow of the Royal Society | 22 May 1914 |
| NLB/50/309 | Copy letter from Robert William Frederick Harrison, to Professor [Silvanus Phillips] Thompson, Fellow of the Royal Society | 13 June 1914 |
| NLB/51/320 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor Silvanus Phillips Thompson FRS | 12 February 1915 |
| NLB/50/729 | Copy letter from Robert William Frederick Harrison, to Professor [Silvanus Phillips] Thompson, Fellow of the Royal Society | 23 October 1914 |
| NLB/50/786 | Copy letter from Robert William Frederick Harrison, to Dr [Silvanus Phillips] Thompson, Fellow of the Royal Society | 6 November 1914 |
| MS/928/2/185 | Letter from Sylvanus Phillips Thompson, Technical College, Finsbury, to Charles Vernon Boys | 15 February 1889 |
| NLB/52/126 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor Silvanus Phillips Thompson FRS | 10 September 1915 |
| NLB/52/60 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor Silvanus Phillips Thompson FRS | 4 August 1915 |
| NLB/52/168 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor Silvanus Phillips Thompson, Chairman of the Catalogue of Scientific Papers and FRS | 1 October 1915 |
| NLB/52/380 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; toThe Secretary of the British Academy | 23 November 1915 |
| NLB/52/483 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor Silvanus Phillips Thompson, Chairman of Catalogue of Scientific Papers and FRS | 17 December 1915 |
| NLB/54/76 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr. [Arthur Everett] Shipley, FRS | 2 February 1917 |
| NLB/54/78 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Lord Muir Mackenzie; The House of Lords, S.W. | 2 February 1917 |
| RR/21/165 | Referee's report by Silvanus Phillips Thompson, on a paper 'On the analysis of sound waves in the cochlea' by T Wrightson | [June 1914] |
| RR/21/163 | Referee's report by Silvanus Phillips Thompson, on a paper 'On the properties of magnetically shielded iron as affected by temperature' by Ernest Wilson | [March 1914] |
| MS/929/1/217 | Letter from Silvanus [Phillips] Thompson, FRS, Morland, Chislett Road, West Hampstead, to James Mackenzie Davidson | 15 September 1914 |
| AP/67/6/3 | Unpublished figure, sketch for focometer by Silvanus Phillips Thompson | [1891] |
| RR/17/361 | Referee's report by Silvanus Phillips Thompson, on a paper 'The effects of self-induction in an iron cylinder when traversed by alternating currents' by E Wilson | January 1908 |
| RR/10/305 | Referee's report by Joseph John Thomson, on a paper 'On the magnetic action of displacement-currents in a dielectric' by Silvanus Phillips Thompson | 7 March 1889 |
| RR/21/167 | Second referee's report by Silvanus Phillips Thompson, on a paper 'On the analysis of sound waves in the cochlea' by T Wrightson | [October 1914] |
| RR/13/280 | Referee's report by Oliver Joseph Lodge, on a paper 'Cathode rays and some analogous rays' by Silvanus Phillips Thompson | 29 May 1897 |
| RR/15/288 | Referee's report by Silvanus Phillips Thompson, on a paper 'Experiments on some properties' by James Wimshurt | 7 May 1901 |
| RR/13/281 | Referee's report by William Crookes, on a paper 'Cathode rays and some analogous rays' by Silvanus Phillips Thompson | 3 July 1897 |
| RR/15/191 | Referee's report by Silvanus Phillips Thompson, on a paper 'Description of a range-finder' by George Forbes | 2 August 1901 |
| RR/17/185 | Referee's report by Silvanus Phillips Thompson, on a paper 'Electric furnace reactions under high gaseous pressures' by R S Hutton and Joseph Ernest Petavel | 4 June 1907 |
| NLB/57/180 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr Garnett | 8 August 1919 |
| NLB/55/807 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Miss Helen G. Thompson | 01 October 1918 |
| RR/21/141 | Referee's report by Silvanus Phillips Thompson, on a paper 'A thermomagnetic study of the eutectoid transition point of carbon steels' by Samuel Walter Johnson Smith and J Guild | [February 1914] |
| NLB/12/417 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 17 February 1896 |
| MS/377/1/136 | Letter from Silvanus Phillips Thompson, University College, Bristol, to [William Fletcher] Barrett | 28 February 1880 |
| MS/743/1/166 | Letter from Silvanus Phillips Thompson, Morland, Chislett Road, West Hampstead, to Miss Gladstone | 1 November 1908 |
| NLB/10/130 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 4 October 1894 |
| NLB/9/507 | Copy letter from Herbert Rix, to Professor Joseph Norman Lockyer, Fellow of the Royal Society | 20 May 1894 |
| NLB/15/885 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 8 January 1898 |
| NLB/21/222 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 3 October 1900 |
| NLB/33/716 | Copy letter from Robert William Frederick Harrison, to; Augustus Desire Waller, Lord Avebury [John Lubbock], Sir Benjamin Baker, Dr Henry Frederick Baker, Professor David Ferrier, Professor Sydney John Hickson, Dr A Scott, Mr Albert Charles Seward, Professor William Johnson Sollas, and Professor Silvanus Phillips Thompson, Fellows of the Royal Society | 26 October 1906 |
| NLB/36/364 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 18 October 1907 |
| RR/17/362 | Referee's report by Silvanus Phillips Thompson, on a paper 'The hysterisis loss and other properties of iron alloys under very small magnetic force' by E Wilson and others | March 1908 |
| RR/17/186 | Letter from Silvanus Phillips Thompson to Arthur Schuster, on a paper 'Electric furnace reactions under high gaseous pressures' by R S Hutton and Joseph Ernest Petavel | 2 July 1907 |
| NLB/48 | New Letter Book volume 48, copy letters sent from Royal Society administration | 25 April 1913-25 October 1913 |
| RR/11/98 | Referee's report and letter by Robert Bellamy Clifton, on a paper 'On the focometry of lenses and lens-combinations, and on a new focometer' by Silvanus Phillips Thompson | 1891 |
| RR/13/274 | Letter from Silvanus Phillips Thompson, on a paper 'Stress and other effects produced in resin and in a viscid compound of resin and oil by electrification' by Joseph Wilson Swan to Robert Harrison, Assistant Secretary of the Royal Society | 29 May 1897 |
| NLB/12/312 | Copy letter from Herbert Rix, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 28 January 1896 |
| NLB/14/791 | Copy letter from Arthur William Rucker, to Richard Tetley Glazebrook, [Fellow of the Royal Society] | 18 May 1897 |
| NLB/36/76 | Copy letter from [Joseph Larmor], to Professor Arthur Schuster, Professor Silvanus Phillips Thompson, Lord Rayleigh [John William Strutt], and Sir Archibald Geikie, Fellows of the Royal Society | 3 August 1907 |
| NLB/41/149 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 23 October 1909 |
| RR/14/14 | Referee's report by Silvanus Phillips Thompson, on a paper 'On artificial temporary colour-blindness, with an examination of the colour sensations of 109 persons' by George James Burch | 14 April 1898 |
| NLB/52 | New Letter Book volume 52, copy letters sent from Royal Society administration | 9 July 1915-8 March 1916 |
| AP/67/6/2 | Unpublished photograph, focometer by Silvanus Phillips Thompson | [1891] |
| RR/10/306 | Referee's report by John Hopkinson, on a paper 'On the magnetic action of displacement-currents in a dielectric' by Silvanus Phillips Thompson | 11 March 1889 |
| RR/16/232 | Referee's report by Silvanus Phillips Thompson, on a paper 'The construction of some mercury standards of resistance, with a determination of the temperature co-efficient of resistance of mercury' by Frank Edward Smith | 19 April 1904 |
| AP/66/18 | Unpublished paper, 'On the magnetic action of displacement-currents in a dielectric' by Silvanus P [Phillips] Thompson | 1889 |
| RR/11/97 | Referee's report by Richard Tetley Glazebrook, on a paper 'On the focometry of lenses and lens-combinations, and on a new focometer' by Silvanus Phillips Thompson | 21 March 1891 |
| AP/67/6 | Unpublished paper, 'On the focometry of lenses and lens-combinations; and on a new focometer' by Silvanus P [Phillips] Thompson | 1891 |
| AP/67/6/1 | Unpublished manuscript, 'On the focometry of lenses and lens-combinations; and on a new focometer' by Silvanus P [Phillips] Thompson | 3 February 1891 |
| RR/15/289 | Referee's report by Silvanus Phillips Thompson, on a paper 'On anaomalous dispersion' by Robert Williams Wood | 21 June 1901 |
| PP/4/28 | Paper, 'Note on the theory of the magnetic balance of Hughes' by Silvanus P [Phillips] Thompson | 1884 |
| PP/10/47 | Paper, 'Note on the electrodeposition of alloys and on the electromotive forces of metals in cyanide solutions' by Silvanus Phillips Thompson | 1887 |
| PP/17/32 | Paper, 'On galvano-hysteresis. (Preliminary notice)' by Silvanus P [Phillips] Thompson | 1891 |
| RR/10/307 | Referee's report by George Francis Fitzgerald, on a paper 'On the magnetic action of displacement-currents in a dielectric' by Silvanus Phillips Thompson | 28 March 1889 |
| RR/13/275 | Referee's report by Silvanus Phillips Thompson, on a paper 'Stress and other effects produced in resin and in a viscid compound of resin and oil by electrification' by Joseph Wilson Swan | 29 May 1897 |
| RR/21/161 | Referee's report by Silvanus Phillips Thompson, on a paper 'The magnetic properties of iron when shielded from the Earth's magnetism' by Ernest Wilson | [January 1914] |
| PP/24/22 | Paper, 'The rotation of the electric arc' by Alexander Pelham Trotter | 1894 |
| MC/20 | Volume 20 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1905 |
| MC/17 | Volume 17 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1897-1899 |
| NLB/45/119 | Copy letter from Robert William Frederick Harrison to Prof Silvanus P [Phillips] Thompson FRS | 3 January 1912 |
| MC/20/426 | Letter from [Silvanus Phillips] Thompson, Morland, Chislett Road, to [Robert William Freedrick] Harrison, Assistant Secretary of the Royal Society | 24 December 1904 |
| NLB/31/856 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thompson, Fellow of the Royal Society | 25 November 1905 |
| NLB/29/881 | Copy letter from Robert William Frederick Harrison, to Professor Silvanus Phillips Thomson, Fellow of the Royal Society | 5 January 1905 |