| RefNo | Title | Date |
| AP/27/11/5 | Unpublished diagram, 'Position of the cylinders according to the annexed paper' by W F [William Ford] Stevenson | 7 April 1844 |
| DM/6/108 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 30 July 1890 |
| DM/6/81 | Copy of letter from IM Ludlow to Frank C Penrose | 25 March 1856 |
| DM/6/82 | Letter from W D Cooper to Admiral Smyth | 21 April 1856 |
| DM/6/90 | Letter from T Peihet to the Royal Society | 13 February 1859 |
| MM/13/40 | Report of a Royal Society Committee about the Stevenson Bequest | c.1859 |
| MM/13/42 | Counsel's opinion for the Royal Society on the case of W F Stevenson's will | 30 June 1852 |
| MM/13/39 | Note on the Stevenson bequest and the property involved | c.1859 |
| DM/6/100 | Letter from Few and Co to Walter White, Assistant Secretary, Royal Society | 3 November 1865 |
| MM/13/36 | Note on the Stevenson bequest and the property involved | c.1859 |
| MM/13/37 | Note on the Stevenson bequest and the property involved, titled 'Property between £70 & 90,000 | c.1859 |
| MM/13/41 | Copy of the Will and codicils of W F Stevenson | 1848-1850 |
| MM/13/38 | 'Particulars of the Stevenson bequest' | c.1859 |
| DM/6/98 | Letter from Few and Co to Walter White, Assistant Secretary, Royal Society | 12 November 1862 |
| DM/6/95 | Letter from Charles Few Jnr to C R Weld, Assistant Secretary, Royal Society | 29 December 1859 |
| DM/6/92 | Letter from WH Stevenson and HM Stevenson to Royal Society | 10 March 1859 |
| DM/6/91 | Letter from Few and Co to C R Weld, Assistant Secretary, Royal Society | 23 February 1859 |
| DM/6/107 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 23 April 1890 |
| DM/6/85 | Incomplete letter from Few to Lord Wrottesley | 13 August 1856 |
| DM/6/88 | Letter from Charles Few Jnr to to C R Weld, Assistant Secretary, Royal Society | 14 July 1858 |
| DM/6/87 | Copy of a letter from Pemberton and Meynell to Few and Co | 26 June 1858 |
| DM/6/79 | Letter from Charles Few to C R Weld, Assistant Secretary, Royal Society | 21 April 1852 |
| DM/6/104 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 19 April 1888 |
| DM/6/96 | Letter from Charles Few to C R Weld, Assistant Secretary, Royal Society | 2 November 1860 |
| DM/6/83 | Letter from Charles Few Jnr to C R Weld, Assistant Secretary, Royal Society | 26 April 1856 |
| DM/6/102 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 4 April 1888 |
| DM/6/84 | Letter from Charles Few Jnr to C R Weld, Assistant Secretary, Royal Society | 22 May 1856 |
| DM/6/109 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 8 April 1891 |
| DM/6/99 | Letter from Charles Few to Walter White, Assistant Secretary, Royal Society | 23 January 1864 |
| DM/6/106 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 21 December 1889 |
| DM/6/80 | Letter from Charles Few Jnr to C R Weld, Assistant Secretary, Royal Society | 7 September 1854 |
| DM/6/103 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 12 April 1888 |
| DM/6/147 | Letter from Few and Co to Walter White, Assistant Secretary, Royal Society | 22 November 1867 |
| DM/6/105 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 11 April 1889 |
| DM/6/93 | Letter from WH Stevenson and HM Stevenson to Royal Society | 23 August 1859 |
| DM/6/145 | Letter from Few and Co to Walter White, Assistant Secretary, Royal Society | 17 October 1868 |
| DM/6/110 | Letter from RH Few to Sir John Evans, Treasurer, Royal Society | 18 November 1898 |
| DM/6/146 | Letter from Few and Co to Walter White, Assistant Secretary, Royal Society | 18 November 1874 |
| DM/6/89 | Letter from Few and Co to C R Weld, Assistant Secretary, Royal Society | 21 January 1859 |
| MC/1/305 | Letter from [William Ford] Stevenson, Grande Rue, Passy, Paris, to Dr. Peter Mark Roget, Secretary of the Royal Society | 20 April 1831 |
| MC/1/303 | Letter from [William Ford] Stevenson, Grande Rue, Passy, Paris, to Dr. Peter Mark Roget, Secretary of the Royal Society | 12 April 1831 |
| MC/2/150 | Letter from William Ford Stevenson, Pisa, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 5 December 1834 |
| RR/1/232 | Referee's report by Edward Sabine, on a paper 'On the supposed properties of the electric and magnetic fluids' by William Ford Stevenson | 24 June 1846 |
| AP/27/24/3 | Unpublished letter, 'The theory of vision [part 3]' from W F [William Ford] Stevenson to Samuel Hunter Christie | 3 April 1845 |
| NLB/71/151 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs. Few & Co., 19 Surrey Street, Strand | 21 January 1928 |
| MS/426/463 | Copy letter from C R [Charles Richard] Weld, the Assistant Secretary of the Royal Society; to Mr Few | 22 April 1852 |
| EC/1811/15 | Stevenson, William Ford: certificate of election to the Royal Society | |
| DM/6/94 | Letter from Few and Co to C R Weld, Assistant Secretary, Royal Society | 17 October 1859 |
| AP/27/24/2 | Unpublished letter, 'The theory of vision [part 2]' from W F [William Ford] Stevenson to Samuel Hunter Christie | 15 March 1845 |
| MM/13/43 | Stevenson Bequest; Ludlow vs Stevenson; judgement | 25 July 1854 |
| DM/6/86 | Letter from Few and Co to C R Weld, Assistant Secretary, Royal Society | 14 July 1857 |
| DM/6/97 | Letter from Few and Co to C R Weld, Assistant Secretary, Royal Society | 20 March 1861 |
| DM/6/101 | Letter from Few & Co to Herbert Rix, Assistant Secretary, Royal Society | 16 October 1886 |
| MC/4/350 | Letter from [William Ford] Stevenson, York Hotel, Sidmouth, to [Charles Richard] Weld, Assistant Secretary of the Royal Society | 1 June 1850 |
| AP/24/18 | Unpublished paper, 'Water still an element' by W F [William Ford] Stevenson | 7 April 1840 - 5 May 1840 |
| MC/4/5 | Letter from [William Ford] Stevenson, Place du Pré-l'Evêque, Geneva, to Samuel Hunter Christie, [Secretary of the Royal Society] | 24 January 1844 |
| MC/2 | Volume 2 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1832-1838 |
| MC/2/140 | Letter from William Ford Stevenson, Aix-les-Bains, Savoie, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 18 September 1834 |
| MC/2/139 | Letter from William Ford Stevenson, Aix-les-Bains, Savoie, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 4 September 1834 |
| MC/2/138 | Letter from William Ford Stevenson, Aix-les-Bains, Savoie, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 30 August 1834 |
| MC/2/141 | Letter from William Ford Stevenson, Pisa, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 7 November 1834 |
| MC/3 | Volume 3 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1839-1843 |
| MC/3/80 | Letter from [William Ford] Stevenson, Baden Baden, to Dr. [Peter Mark] Roget, Secretary of the Royal Society, Bernard Street, Russell Square | 3 April 1840 |
| MC/1 | Volume 1 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1800-1831 |
| MS/426/424 | Copy letter from C R [Charles Richard] Weld, the Assistant Secretary of the Royal Society; to W F [William Ford] Stevenson | 3 June 1850 |
| MC/4/354 | Letter from [William Ford] Stevenson, Giles's Hotel, Taunton, Somersetshire, to [Charles Richard] Weld, Assistant Secretary of the Royal Society | 27 June 1850 |
| MS/426/426 | Copy letter from C R [Charles Richard] Weld, the Assistant Secretary of the Royal Society' to W F [William Ford] Stevenson | 28 June 1850 |
| MC/4 | Volume 4 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1844-1850 |
| MC/5/237 | Letter from W H [William Henry] Smyth, St John's Lodge, near Aylesbury, to the Society | 1 April 1856 |
| MC/5 | Volume 5 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1851-1858 |
| AP/32/19 | Unpublished paper, 'On Lavoisier's theory' by William Ford Stevenson | 29 April 1850 |
| AP/27/24 | Unpublished letters, 'The theory of vision' from W F [William Ford] Stevenson to Samuel Hunter Christie | March-April 1845 |
| AP/32/21 | Unpublished paper, 'The construction of metals' by William Ford Stevenson | 11 May 1850 |
| AP/27/24/1 | Unpublished letter, 'The theory of vision [part 1]' from W F [William Ford] Stevenson to Samuel Hunter Christie | 1 March 1845 |
| AP/31/15 | Unpublished paper, 'Mesmeric phenomena: thought-reading and clairvoyance' by W F [William Ford] Stevenson | 17 April 1849 |
| AP/31/14 | Unpublished paper, 'On the peculiar cooling effects of hydrogen and its compounds in cases of voltaic ignition' by W F [William Ford] Stevenson | 1848 |
| AP/27/11/2 | Unpublished diagram, electric fluid passing through a cylindrical rod by W F [William Ford] Stevenson | 2 March 1844 |
| AP/27/11/1 | Unpublished manuscript, 'On the supposed properties of the electric and magnetic fluids' by W F [William Ford] Stevenson | 2 March 1844 |
| AP/27/11 | Unpublished paper, 'On the supposed properties of the electric and magnetic fluids' by W F [William Ford] Stevenson | 1844 |
| AP/27/11/4 | Unpublished letter, regarding 'On the supposed properties of the electric and magnetic fluids' from W F [William Ford] Stevenson to S [Samuel] Hunter Christie | 7 April 1844 |
| AP/28/24 | Unpublished paper, 'The electric fluid' by W F [William Ford] Stevenson | November 1845 |
| AP/28/25 | Unpublished paper, 'On phlogiston and the decomposition of water' by W F [William Ford] Stevenson | 14 January 1846 |
| AP/32/18 | Unpublished paper, 'Water and its supposed constituents' by William Ford Stevenson | 19 March 1850 |
| AP/32/20 | Unpublished paper, 'The electric and magnetic fluids' by William Ford Stevenson | 1 May 1850 |
| AP/33/26/1 | Unpublished manuscript, 'Water' by W F [William Ford] Stevenson | 14 April 1851 |
| AP/33/26 | Unpublished paper, 'Water' by W F [William Ford] Stevenson | 14 April 1851-19 May 1851 |
| AP/33/26/3 | Unpublished letter, regarding 'Water' from W F [William Ford] Stevenson to the President of the Royal Society | 19 May 1851 |
| AP/33/26/2 | Unpublished letter, regarding 'Water' from W F [William Ford] Stevenson to C R [Charles Richard] Weld | 15 April 1851 |
| AP/27/11/6 | Unpublished letter, regarding an experiment of a metallic ball from W F [William Ford] Stevenson to S [Samuel] Hunter Christie | 24 April 1844 |