| RefNo | Title | Source |
| DF/ZOO/213/112/47 | Crossland, C: report on corals, with letters of T A Stephenson. 5 | |
| DF/ZOO/200/143/34 | Stephenson, Professor T A | |
| DF/ZOO/200/70/52 | Stephenson, T A (Aberystwyth) | |
| DF/ZOO/200/138/17 | Stephenson, Professor T A | |
| DF/ZOO/213/112/36 | Stephenson, T A: general papers. 30a | |
| DF/ZOO/200/68/44 | Stephenson, T A (Aberystwyth) | |
| DF/ZOO/200/140/33 | Stephenson, Thomas Alan | |
| DF/ZOO/257/1/5 | Totton, Arthur Knyvett: T A Stephenson's arrangement of Actinaria | |
| DF/BOT/400/18/38 | Correspondence Sp - Sw | |
| DF/ZOO/253/3/83 | Rees, William James: Correspondence, Stephenson, Prof T A (Wales) | |
| DF/ZOO/213/112/35 | Stephenson, T A: report on coral development. 30 | |
| DF/ZOO/264/3/19 | Protochordata correspondence: Professor T A Stephenson (England and South Africa) | |
| DF/ZOO/213/112/33 | Spender, M, Stephenson, T A and Tandy, G: ecological report | |
| DF/ZOO/212/52 | Stephenson, T A | |
| DF/BOT/400/17/22 | Correspondence St - Sw | |
| DF/ZOO/213/112/6 | Great Barrier Reef Committee (England): minutes, with correspondence and papers of Hilbrand Boschma, Elizabeth A Fraser, J S Gardiner, F A Potts, T A Stephenson and C M Yonge | |
| DF/ZOO/264/1/106 | Echinodermata correspondence: Stephenson, Professor, T A (South Africa) | |
| DF/ZOO/261/2/64 | Stephenson, T A and Stubbings, H G (England) | |
| DF/ZOO/253/2/46 | Totton, Arthur Knyvett: Correspondence, Stephenson, Prof T A (England and South Africa) | |
| DF/ZOO/252/19/84 | British Museum (Natural History): suggestions for an exhibition on Actinaria by T A Stephenson | |
| DF/ADM/1004/240 | Miscellaneous collections | |