| RefNo | Title | Date |
| EC/1851/03 | Bunbury, Sir Charles James Fox: certificate of election to the Royal Society | |
| IM/Maull/000659 | Bunbury, Sir Charles James Fox | nd |
| NLB/3/198 | Copy letter from Herbert Rix, to Sir Joseph Hooker, Fellow of the Royal Society | 10 April 1889 |
| RR/7/148 | Referee's report by Charles James Fox Bunbury, on a paper 'Supplementary observations on lepidodendra' by William Crawford Williamson | 4 October 1871 |
| RR/7/215 | Referee's report by Charles James Fox Bunbury, on a paper 'On the organization of the fossil plants of the coal-measures - Part III. Lycopodiaceae (continued)' by William Crawford Williamson | 4 May 1872 |
| RR/7/145 | Referee's report by Charles James Fox Bunbury, on a paper 'On the organization of the fossil plants of the coal-measures - Part I. Catamites' by William Crawford Williamson | 3 March 1871 |
| RR/7/280 | Referee's report by Charles James Fox Bunbury, on a paper 'On the organization of the fossil plants of the coal-measures. Part V - Asterophyllites' by William Crawford Williamson | 22 July 1873 |
| RR/7/354 | Referee's report by Charles James Fox Bunbury, on a paper 'On the organization of the fossil plants of the coal-measures. Part VI - Ferns' by William Crawford Williamson | 11 May 1874 |
| RR/7/427 | Letter from Charles James Fox Bunbury, on a paper 'On the organization of the fossil plants of the coal-measures. Part VII - Myelopteris, psaronius, and kaloxylon' by William Crawford Williamson to the Secretary of the Royal Society | 25 June 1875 |
| RR/7/147 | Referee's report by Charles James Fox Bunbury, on a paper 'On the organization of the fossil plants of the coal-measures - Part II. Lycopodiaceae: lepidodendra and sigillariae' by William Crawford Williamson | 14 August 1871 |
| RR/7/277 | Referee's report by Charles James Fox Bunbury, on a paper 'On the organization of the fossil plants of the coal-measures. Part IV - Dictyoxlon, lyginodendron, and heterangium' by William Crawford Williamson | 18 February 1873 |
| HS/5/119 | Copy letter, from Sir John Herschel to Charles James Fox Bunbury, dated at Collingwood | 17 October 1847 |
| HS/5/118 | Letter, from Charles James Fox Bunbury to Sir John Herschel, dated at Mildenhall | 14 October 1847 |
| HS/22/330 | Copy letter, from Sir John Herschel to Charles James Fox Bunbury, dated at Collingwood | 17 October 1847 |
| HS/5/120 | Letter, from Charles James Fox Bunbury to Sir John Herschel, dated at Mildenhall | 20 October 1847 |