| RefNo | Title |
| DF/DIR/938/29 | Ridewood, W G: notes on molluscs |
| DF/DIR/938/28 | Ridewood, W G: notes on echinoderms taken when a student at the Normal School of Science, South Kensington |
| DF/DIR/938/32 | Ridewood, W G: list of donations to the Index Museum, 1907-1922 |
| DF/DIR/938/31 | Ridewood, W G: notes on the history of the Index Museum, 1880-1917 |
| DF/ZOO/200/68/28 | Ridewood, W G (London) |
| DF/ZOO/200/72/44 | Ridewood, W G (London) |
| DF/ZOO/233/2/3 | Letters, memoranda and lists relating to collections and equipment sent to and from the Section |
| DF/ZOO/233/3/2/21 | Correspondence Ri - Ro |
| DF/ZOO/235/1/1/2/173 | Ridewood, W |
| DF/ZOO/252/1/15/30 | Ridewood, Walter George (France) |
| DF/ZOO/200/70/33 | Ridewood, W G (London) |
| DF/ZOO/233/1/1/83 | Correspondence Ri - Ro |
| DF/DIR/938/30 | Ridewood, W G: notes and correspondence on exhibits, [1900]-1917 |