| RefNo | Title | Date |
| NLB/40/599 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 2 July 1909 |
| NLB/3/444 | Copy letter from Herbert Rix, to Professor Thomas William Bridge, Mason College, Birmingham | 12 June 1889 |
| NLB/6/971 | Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt] | 27 September 1892 |
| NLB/7/123 | Copy letter from Herbert Rix, to Thomas William Bridge, Mason College, Birmingham | 5 December 1892 |
| NLB/6/1019 | Copy letter from Herbert Rix, to the Cambridge Engraving Company | 4 October 1892 |
| NLB/6/1038 | Copy letter from Herbert Rix, to Professor Michael Foster | 7 October 1892 |
| NLB/6/1204 | Copy letter from Herbert Rix, to the Cambridge Engraving Company | 9 November 1892 |
| NLB/7/473 | Copy letter from Herbert Rix, to Professor Thomas William Bridge, Mason College, Birmingham | 25 February 1893 |
| NLB/7/472 | Copy letter from an unknown correspondent, to the Cambridge Engraving Company | 25 February 1893 |
| NLB/7/633 | Copy letter from Herbert Rix, to The Cambridge Engraving Company | 25 March 1893 |
| NLB/30/481 | Copy letter from Robert William Frederick Harrison, to Professor Thomas William Bridge, Fellow of the Royal Society | 30 March 1905 |
| NLB/29/417 | Copy letter from Robert William Frederick Harrison, to Professor Thomas William Bridge, Fellow of the Royal Society | 11 October 1904 |
| NLB/35/95 | Copy letter from Robert William Frederick Harrison, to Professor Thomas William Bridge, Fellow of the Royal Society | 15 April 1907 |
| EC/1903/02 | Bridge, Thomas William: certificate of election to the Royal Society | |
| RR/8/77 | Referee's report by Francis Maitland Balfour, on a paper 'On the osteology of Polydon folium' by Thomas William Bridge | 20 July 1878 |
| PP/14/26 | Paper, 'Contribution to the anatomy of fishes. I. The air-bladder and Weberian ossicles in the Siluridae' by Thomas William Bridge and Alfred Cort Haddon | 1889 |
| RR/11/122 | Referee's report by Walter Holbrook Gaskell, on a paper 'Contributions to the anatomy of fishes. II. The air-bladder and Weberian ossicles in the siluroid fishes' by Thomas William Bridge and Alfred Cort Haddon | 22 July 1892 |
| RR/11/121 | Referee's report by Arthur Milnes Marshall, on a paper 'Contributions to the anatomy of fishes. II. The air-bladder and Weberian ossicles in the siluroid fishes' by Thomas William Bridge and Alfred Cort Haddon | 30 June 1892 |
| RR/11/123 | Referee's report by Hand Friedrich Gadow, on a paper 'Contributions to the anatomy of fishes. II. The air-bladder and Weberian ossicles in the siluroid fishes' by Thomas William Bridge and Alfred Cort Haddon | 26 September 1892 |
| PP/23/31 | Paper, 'Note on the production of sounds by the air-bladder of certain siluroid fishes' by Thomas William Bridge and Alfred Cort Haddon | 1894 |