| Reference number | Title | Date |
| EC/1917/10 | Pickard, Sir Robert Howson: certificate of election to the Royal Society | |
| NLB/52/400 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor Percy Faraday Frankland, FRS | 29 November 1915 |
| RR/44/57 | Referee's report by Robert Howson Pickard, on a paper 'Absorption spectra of the alkyl halides: energies of the C-I and C-Br bonds' by T Iredale and A G Mills | July 1931 |
| RR/44/80 | Referee's report by Robert Howson Pickard, on a paper 'The micelle structure of the wool fibre' by J B Speakman | March 1931 |
| NLB/57/702 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to unknown correspondent | 20 January 1920 |
| RR/52/24 | Referee's report by Robert Howson Pickard, on a paper 'X-ray studies of the structure of hair, wool, and related fibres - III—The configuration of the keratin molecule and its orientation in the biological cell' by William Thomas Astbury and Wayne A Sisson | March 1935 |
| RR/38/140 | Referee's report by Robert Howson Pickard, on a paper 'The plasticity of wool ' by J B Speakman | June 1928 |
| NLB/66/776 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Dr. [Robert Howson] Pickard, FRS | 7 July 1924 |
| NLB/71/125 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [Robert Howson] Pickard, FRS | 14 January 1928 |
| NLB/66/407 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Dr. [Robert Howson] Pickhard, FRS | 3 May 1924 |
| NLB/66/600 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; Sir John Rose Bradford, K.C.M.G FRS | 4 June 1924 |
| RR/33/124 | Referee's report by Robert Howson Pickard, on a paper 'Critical potentials of hydrogen in the presence of catalytic nickel and copper' by J Hulton Wolfenden | December 1925 |
| NLB/70/877 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy FRS; Professor [Archibald Vivian] Hill; Sir Sidney [Frederic] Harmer; Dr [] Pickard; Sir [] Edgeworth David; Professor [Robert Howson] Forsyth; Professor [Horace] Lamb; Sir James Walker | 27 October 1927 |
| RR/43/95 | Referee's report by Robert Howson Pickard, on a paper 'Refractive dispersion of organic compounds. Part I.—Experimental methods. Part II.— cyclohexane. Part III— benzene' by Thomas Martin Lowry and C B Allsopp | June 1931 |
| RR/43/97 | Referee's report by Robert Howson Pickard, on a paper 'Studies of co-ordination.—Part II. absorption spectra of metallic derivatives of benzoylcamphor' by Thomas Martin Lowry, Henry Burgess, Ivor John Faulkner and Ralph C Traill | April 1931 |