| RefNo | Title | Date |
| EC/1940/05 | Cook, Gilbert: certificate of election to the Royal Society | |
| RR/71/220 | Referee's report by Gilbert Cook, on a paper 'The lateral instability of yielded mild steel beams of rectangular cross-section. II. The initial torsional rigidity' by B G Neal | 1948 |
| RR/67/404 | Letter from Gilbert Cook, on a paper 'Complex potentials in two dimensional elasticity' by A C Stevenson to J D Griffith Davies, Assistant Secretary of the Royal Society | 21 October 1941 |
| RR/71/222 | Referee's report by Gilbert Cook, on a paper 'The lateral instability of yielded mild steel beams of rectangular cross-section. III. The conditions causing lateral instability' by B G Neal | 1948 |
| RR/67/403 | Letter from Gilbert Cook, on a paper 'Complex potentials in two dimensional elasticity' by A C Stevenson to J D Griffith Davies, Assistant Secretary of the Royal Society | 15 October 1941 |
| RR/71/217 | Referee's report by Gilbert Cook, on a paper 'The lateral instability of yielded mild steel beams of rectangular cross section. I. The initial secondary flexural rigidity' by B G Neal | 1948 |
| RR/71/15 | Referee's report by Gilbert Cook, on a paper 'The behaviour of continuous stanchions' by J F Baker, M R Horne and J W Roderick | [1948] |
| RR/71/223 | Letter from Gilbert Cook, on a paper 'The lateral instability of yielded mild steel beams of rectangular cross-section. Parts I, II and III' by B G Neal to D C Martin, Assistant Secretary of the Royal Society | 9 July 1949 |
| RR/71/16 | Letter from Gilbert Cook, to David Christie Martin, regarding a paper 'The behaviour of continuous stanchions' by J F Baker, M R Horne and J W Roderick | 24 March 1949 |
| IM/GA/WS/2060 | Cook, Gilbert | nd |
| RR/71/4 | Referee's report by Gilbert Cook, on a paper 'Flexural vibrations of the walls of thin cylindrical shells having freely supported ends' by R N Arnold and G B Warburton | [1948] |
| RR/41/51 | Referee's report by James Alfred Ewing, on a paper 'The yield point and initial stages of plastic strain in mild steel subjected to uniform and non-uniform stress distributions' by Gilbert Cook | 11 November 1930 |
| RR/41/52 | Referee's report by Richard Vynne Southwell, on a paper 'The yield point and initial stages of plastic strain in mild steel subjected to uniform and non-uniform stress distributions' by Gilbert Cook | December 1930 |
| RR/45/60 | Referee's report by Ernest George Coker, on a paper 'The elastic limit of metals exposed to tri-axial stress' by Gilbert Cook | 27 May 1932 |