| RefNo | Title | Date |
| PT/37/11i/5 | Plate, unpublished figure showing bending light rays by Henry Peter Brougham | [1849] |
| MM/16/155 | Letter from Thomas Bell, Royal Society, to Sir John Herschel | 25 October 1852 |
| MC/6/167 | Letter from James Booth, The Vicarage Stone, Aylesbury, to [Walter] White, [Assistant Secretary of the Royal Society] | 2 August 1861 |
| IM/Maull/000589 | Brougham, Henry Peter, Baron Brougham and Vaux | nd |
| DM/1/27 | Letter from P M Roget, Royal Society, to Lord Brougham, the Lord Chancellor | 18 March 1831 |
| CB/1/2/194 | Draft of a letter from Charles Blagden to Mr Miller | c1796 |
| CB/1/2/191 | Letter from Henry Brougham (later Baron Brougham and Vaux), Edinburgh to Charles Blagden, London | 26 July 1795 |
| CB/1/2/195 | Letter from Henry Brougham (later Baron Brougham and Vaux), Edinburgh to Charles Blagden, Royal Society, Somerset Place, London | 29 October 1795 |
| CB/1/2/193 | Draft of a letter from Charles Blagden to Henry Brougham (later Baron Brougham and Vaux) | 22 February 1796 |
| IM/000590 | Brougham, Henry Peter, Baron Brougham and Vaux | nd |
| AP/33/7/3 | Unpublished figures, experiments on light 2 by Henry Peter Brougham | 1852 |
| AP/33/7/2 | Unpublished figures, experiments on light 1 by Henry Peter Brougham | 1852 |
| L&P/11/61/1 | Paper, 'General theorums, chiefly Porisms in the higher geometry' by Henry Brougham | 1798 |
| L&P/10/142/2 | Plate, 'Figures of reflections of light' by Henry Brougham | 1796 |
| L&P/11/61/2 | Plate, 'Geometrical figures' by Henry Brougham | 1798 |
| MS/426/209 | Copy letter from C R [Charles Richard] Weld, the Assistant Secretary of the Royal Society; to Lord [Henry Peter] Brougham | 11 June 1846 |
| L&P/10/142/1 | Paper, 'Experiments and observations on the inflection, reflection and colours of light' by Henry Brougham | 1796 |
| MS/426/125 | Copy letter from [John William] Lubbock, Treasurer of the Royal Society; to C. Few Esq. | 17 March 1845 |
| MS/426/418 | Copy letter from Thos [Thomas] Bell, Secretary of the Royal Society; to Lord [Henry] Brongham, Cannes | 12 April 1850 |
| MS/426/576 | Copy letter from W [William] Sharpey, Secretary of the Royal Society; to Lord [Henry] Brougham | 19 December 1856 |
| MS/426/579 | Copy letter from W [William] Sharpey, Secretary of the Royal Society; to Lord [Henry] Brougham | 16 January 1857 |
| CB/1/2/196 | Letter from Henry Brougham (later Baron Brougham and Vaux), 7 George Street, Edinburgh to Charles Blagden, Royal Society, Somerset Place, London | 17 February 1796 |
| MS/426/412 | Copy letter from C R [Charles Richard] Weld, the Assistant Secretary of the Royal Society; to Lord [Henry] Brongham | 2 April 1850 |
| EC/1802/12 | Brougham, Henry Peter, Baron Brougham and Vaux: certificate of election to the Royal Society | |
| CB/1/2/192 | Letter from Henry Brougham (later Baron Brougham and Vaux), Edinburgh to Charles Blagden, London | 15 September 1795 |
| PT/6/1i | Paper, 'On the attractions of an extensive class of spheroids' by J [James] Ivory | [1811] |
| PT/8/10/1 | Manuscript, 'A new method of deducing a first approximation to the orbit of a comet from three geocentric observations' by James Ivory | [1814] |
| PT/8/10/2 | Plate, diagrams showing direction of comet and movement of earth by [James Ivory] | [1814] |
| PT/37/11i/2 | Plate, unpublished figure showing an apparatus for observing light rays by Henry Peter Brougham | [1849] |
| PT/37/11i/4 | Plate, unpublished figure showing light interference by Henry Peter Brougham | [1849] |
| PT/37/11/1 | Manuscript, 'Experiments and observations upon the properties of light' by Lord [Henry Peter] Brougham | [1849] |
| PT/37/11/4 | Plate, figures 8 and 10-11 showing deflected light rays and hyperbolic flexion by Henry Peter Brougham | [1849] |
| PT/37/11/3 | Plate, figures 14-19 showing deflected light rays and spheres of flexion by Henry Peter Brougham | [1849] |
| PT/37/11i/3 | Plate, unpublished figures showing arrangement of plates for observing light deflection by Henry Peter Brougham | [1849] |
| PT/37/11i/1 | Manuscript, 'Supplement to Ld Brgham's [Lord Brougham's] paper' by Henry Peter Brougham | [1850] |
| PT/37/11/2 | Plate, figures 1-7 and 9 showing instrument for observing deflexion by Henry Peter Brougham | [1849] |
| RR/2/37 | Referee's report by John Frederick William Herschel, on a paper 'Further experiments on light' by Henry Lord Brougham | 1 November 1852 |
| AP/34/4/7 | Unpublished letter, regarding 'Further experiments and observations on the properties of light' from Henry Peter Brougham to the Royal Society | 15 June 1853 |
| MC/6 | Volume 6 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1859-1863 |
| PT/37/11 | Paper, 'Experiments and observations upon the properties of light' by Lord [Henry Peter] Brougham | [1849] |
| AP/13/27/5 | Unpublished diagram, 'Cabins of the ship New York' by W Christopher | July 1827 |
| AP/13/27/1 | Unpublished manuscript, 'Account of the accident to the packet-ship New York from lightning' by Stewart Traill | July 1827 |
| AP/13/27/3 | Unpublished diagrams, magnetic state of ship compasses by Stewart Traill | July 1827 |
| AP/13/27/2 | Unpublished diagram, iron band on ship mast by Stewart Traill | July 1827 |
| AP/13/27/4 | Unpublished diagram, main mast and rigging by Stewart Traill | July 1827 |
| MM/16/156 | Rough draft of a report by George Gabriel Stokes and G B Airy on a paper by Lord Brougham | 1 November 1852 |
| PT/8/10 | Paper, 'A new method of deducing a first approximation to the orbit of a comet from three geocentric observations' by James Ivory | [1814] |
| AP/33/7/4 | Unpublished figures, experiments on light 3 by Henry Peter Brougham | 1852 |
| AP/34/4/4 | Unpublished figure, 'Fringes' by Henry Peter Brougham | 1853 |
| AP/34/4/5 | Unpublished figure, 'Fringes' by Henry Peter Brougham | 1853 |
| AP/34/4/6 | Unpublished figure, experimental apparatus by Henry Peter Brougham | 1853 |
| AP/34/4 | Unpublished paper, 'Further experiments and observations on the properties of light' by Henry Peter Brougham | 1853 |
| AP/34/4/3 | Unpublished figures, regarding observations on the properties of light by Henry Peter Brougham | 1853 |
| AP/34/4/2 | Unpublished figure, visible light spectrum by Henry Peter Brougham | 1853 |
| L&P/11/61 | Paper, 'General theorums, chiefly Porisms in the higher geometry' by Henry Brougham | 1798 |
| AP/34/4/1 | Unpublished manuscript, 'Further experiments and observations on the properties of light' by Henry Peter Brougham | 1853 |
| RR/2/38 | Letter from Benjamin Collins Brodie, on a paper 'Further experiments on light' by Henry Lord Brougham to The Royal Society | 23 November 1853 |
| L&P/10/142 | Paper, 'Experiments and observations on the inflection, reflection and colours of light' by Henry Brougham | 1796 |
| AP/13/27 | Unpublished paper, 'Account of the accident to the packet-ship New York from lightning' by Stewart Traill | July 1827 |
| AP/33/7/1 | Unpublished manuscript, 'Further experiments on light' by Henry Peter Brougham | 1852 |
| PT/37/11i | Paper, 'Supplement to Ld Brgham's [Lord Brougham's] paper' by Henry Peter Brougham | [1850] |
| PT/6/1 | Paper, 'On the grounds of the method which Laplace has given in the second chapter of the third book of his Mécanique Céleste for computing the attractions of spheroids of every description' by James Ivory | [1811] |
| RR/2/35 | Referee's report by George Gabriel Stokes, on a paper 'Further experiments on light' by Henry Lord Brougham | 8 June 1852 |
| RR/2/36 | Referee's report by George Biddell Airy, on a paper 'Further experiments on light' by Henry Lord Brougham | 17 June 1852 |
| AP/33/7 | Unpublished paper, 'Further experiments on light' by Henry Peter Brougham | 1852 |