| RefNo | Title | Date |
| RR/16/150 | Referee's report by James Walker, on a paper 'The electrical conductivity and other properties of Sodium Hydroxide in aqueous solution as elucidating the mechanism of conduction' by William Robert Bousfield and Thomas Martin Lowry | 4 July 1904 |
| RR/17/14 | Referee's report by John Henry Poynting, on a paper 'Ionic size in relation to the physical properties of aqueous solutions' by William Robert Bousfield | 18 February 1906 |
| RR/17/11 | Referee's report by William Cecil Dampier Whetham, on a paper 'Ionic size in relation to the physical properties of aqueous solutions' by William Robert Bousfield | [January 1906] |
| RR/17/130 | Referee's report by James Walker, on a paper 'The heats of formation of ions in aqueous solutions' by William Robert Bousfield | 21 January 1907 |
| RR/17/13 | Letter from John Henry Poynting, to Joseph Larmor, on a paper 'Ionic size in relation to the physical properties of aqueous solutions' by William Robert Bousfield | [February 1906] |
| NLB/30/583 | Copy letter from Joseph Larmor, to William Robert Bousfield, [Fellow of the Royal Society] | April 1905 |
| NLB/30/512 | Copy letter from Joseph Larmor, to Mr William Robert Bousfield, [Fellow of the Royal Society] | 6 April 1905 |
| NLB/32/266 | Copy letter from Robert William Frederick Harrison, to William Robert Bousfield, St Swithin, Hendon, N.W. | 10 February 1906 |
| NLB/32/456 | Copy letter from Robert William Frederick Harrison, to Hugh Longbourne Callendar, Chairman of the Physics and Chemistry Committee | 13 March 1906 |
| RR/19/17 | Referee's report by Charles Herbert Lees, on a paper 'Ionic size in relation to molecular physics, together with a new law relating to the heats of formation of solid, liquid, and ionic molecules' by William Robert Bousfield | [December 1912] |
| RR/21/29 | Referee's report by Hugh Longbourne Callendar, on a paper 'The osmotic data in relation to progressive hydration' by William Robert Bousfield | [July 1914] |
| RR/21/30 | Referee's report by William Cecil Dampier Whetham, on a paper 'Note on osmotic pressure' by William Robert Bousfield | [January 1914] |
| RR/24/21 | Referee's report by Hugh Longbourne Callendar, on a paper 'The specific heat of aqueous solutions, with special reference to sodium and potassium chlorides' by William Robert Bousfield and C Elspeth Bousfield | [June 1917] |
| NLB/54/672 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, Chairman of the Physics and Chemistry Committee and FRS | 26 July 1917 |
| NLB/54/671 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Hugh Longbourne] Callendar, Chairman of the Physics and Chemistry Committee and FRS | 26 July 1917 |
| NLB/54/760 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [William Robert] Bousfield Esquire, FRS | 13 September 1917 |
| RR/24/20 | Referee's report by Samuel Walter Johnson Smith, on a paper 'On critical hydration pressure of solid salts' by William Robert Bousfield | [July 1917] |
| RR/17/12 | Referee's report by Joseph Larmor, on a paper 'Ionic size in relation to the physical properties of aqueous solutions' by William Robert Bousfield | [January 1906] |
| RR/18/107 | Referee's report by Hugh Longbourne Callendar, on a paper 'The specific heat of water and the mechanical equivalent of the calorie at temperatures from 0° C. to 80° C' by William Robert Bousfield and W Eric Bousfield | January 1911 |
| RR/24/22 | Referee's report by John Allen Harker, on a paper 'The specific heat of aqueous solutions, with special reference to sodium and potassium chlorides' by William Robert Bousfield and C Elspeth Bousfield | [July 1917] |
| EC/1916/07 | Bousfield, William Robert: certificate of election to the Royal Society | |
| RR/21/33 | Referee's report by Frederick George Donnan, on a paper 'An approximate estimate of the constituents of water' by William Robert Bousfield | [December 1914] |
| RR/18/108 | Referee's report by Arthur Schuster, on a paper 'The specific heat of water and the mechanical equivalent of the calorie at temperatures from 0° C. to 80° C' by William Robert Bousfield and W Eric Bousfield | March 1911 |
| RR/19/18 | Referee's report by James Walker, on a paper 'Ionic size in relation to molecular physics, together with a new law relating to the heats of formation of solid, liquid, and ionic molecules' by William Robert Bousfield | [December 1912] |
| RR/24/19 | Referee's report by Hugh Longbourne Callendar, on a paper 'Note on the specific heat of water' by William Robert Bousfield | [June 1917] |
| RR/21/32 | Referee's report by Arthur Lapworth, on a paper 'An approximate estimate of the constituents of water' by William Robert Bousfield | [November 1914] |
| RR/28/67 | Referee's report by Hugh Longbourne Callendar, on a paper 'Vapour pressure and density of sodium chloride solutions' by William Robert Bousfield and C Elspeth Bousfield | 12 March 1923 |
| RR/16/149 | Referee's report by William Cecil Dampier Whetham, on a paper 'The electrical conductivity and other properties of Sodium Hydroxide in aqueous solution as elucidating the mechanism of conduction' by William Robert Bousfield and Thomas Martin Lowry | June 1904 |
| RR/19/16 | Referee's report by Alfred William Porter, on a paper 'Ionic size in relation to molecular physics, together with a new law relating to the heats of formation of solid, liquid, and ionic molecules' by William Robert Bousfield | [November 1912] |
| RR/21/31 | Referee's report by Hugh Longbourne Callendar, on a paper 'An approximate estimate of the constituents of water' by William Robert Bousfield | [December 1914] |
| MC/19/81 | Letter from [William Robert] Bousfield, St. Swithins, Hendon, to Sir Archibald [Geikie] | 12 November 1904 |
| MS/603/1/123 | Letter from W R [William Robert] Bousfield, St. Swithins, Hendon, to 'Dear Professor' [Joseph Larmor] | 17 January 1911 |
| MS/603/1/122 | Letter from W R [William Robert] Bousfield, Ocean View, Rhos-on-Sea, Colwyn Bay, to [Joseph] Larmor | 16 August 1907 |
| MS/603/1/124 | Letter from W R [William Robert] Bousfield, St. Swithins, Hendon, to [Joseph] Larmor | 6 January 1914 |
| MC/19 | Volume 19 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1904 |
| NLB/47/444 | Copy letter from Robert William Frederick Harrison to W [William] R [Robert] Bousfield KC | 31 January 1913 |