| RefNo | Title | Source |
| DF/ENT/311/288 | Richards, O W: The social wasps of the Americas, excluding the Vespinae (1978) | |
| DF/ENT/311/290 | Oldroyd H, Richards O W, and Sabrosky C W: Ruwenzori Expedition [Uganda], 1934-1935 | |
| DF/ENT/307/44 | Richards, Owain W | |
| DF/ENT/311/264 | Richards, O W: Hymenoptera, Handbook for the identification of British insects, vol 6, part 1 (1956) | |
| DF/ENT/311/142 | Richards, O W: Scoliodea, Vespoidea and Sphecoidea: Hymenoptera, aculeata | |
| DF/ENT/311/143 | Richards, O W: The subgeneric divisions of the genus Bombus Latreille (Hymenoptera: Apidae) | |
| DF/ENT/311/144 | Richards, O W: 30 drawings for papers | |
| DF/ENT/311/147 | Schmitz, H: Diptera of Patagonia and South Chile by H Schmitz, J E Collin and O W Richards, part 6, fascicle 2 (1931) | |
| DF/ENT/311/338 | Render, EJ: Graham Land Expedition drawing of Sphaenoceridae for scientific report | |