| RefNo | Title | Source |
| DF/DIR/932/1/109 | Hughes, A W; Walsingham, Lord | |
| DF/ZOO/200/36/452-459 | Walsingham, Lord | |
| DF/TM/1/10/17 | Correspondence W: Walsingham | |
| DF/ZOO/200/16/507-511 | Walsingham, Baron | |
| DF/ZOO/200/21/450-455 | Walsingham, Lord | |
| DF/ZOO/200/27/164 | Haggard, John G | |
| DF/ZOO/200/35/117 | Durrant, John Hartley | |
| DF/ZOO/230/4/389 | Walsingham | |
| DF/ZOO/200/38/432-433 | Walsingham, [Lord] | |
| DF/ZOO/200/36/341 | Raynor, Gilbert Henry | |
| DF/ZOO/200/26/371-374 | Walsingham, Lord | |
| DF/ZOO/200/29/417-419 | Walsingham, Lord | |
| DF/ZOO/200/17/142 | [Eccle], Thomas | |
| DF/ZOO/200/14/582-585 | Walsingham, Baron | |
| DF/ZOO/235/1/1/7/266 | Walsingham, Thomas de Grey | |
| DF/ZOO/200/60/12 | Walsingham, Lord (Monte Carlo) | |
| DF/ZOO/200/19/330-331 | Walsingham, Baron [Lord] | |
| DF/ZOO/200/20/369-374 | Walsingham, Baron [Lord] | |
| DF/ZOO/200/25/399-404 | Walsingham, Lord | |
| DF/ZOO/200/27/494-498 | Walsingham, Lord | |
| DF/ZOO/200/33/381-384 | Walsingham, Lord | |
| DF/ZOO/200/30/424-427 | Walsingham, Lord | |
| DF/ZOO/200/39/492 | Walsingham, [Lord] | |
| DF/ZOO/200/32/455-460 | Walsingham, Lord | |
| DF/ZOO/200/33/116 | Haggard, John G | |
| DF/ZOO/200/39/491 | Walsingham, [Lord] | |
| DF/ZOO/200/39/493 | Walsingham, [Lord] | |
| DF/ZOO/200/37/491-498 | Walsingham, Lord | |
| DF/ZOO/200/36/130 | Durrant, John Hartley | |
| DF/ZOO/200/40/440 | Walsingham, [Lord] | |
| DF/ZOO/200/42/414-417 | Walsingham, Lord | |
| DF/ZOO/200/44/514 | Walsingham, [Lord] | |
| DF/ZOO/200/45/483-487 | Walsingham, [Lord] | |
| DF/ZOO/200/51/467 | Walsingham, [Lord] | |
| DF/ZOO/200/52/525 | Walsingham, [Lord] | |
| DF/ZOO/235/1/1/4/252 | Walsingham, Lord, Including Durrant, Harley | |
| DF/ENT/304 | Entomology Early Sectional Correspondence | |
| DF/ZOO/200/34/386 | Walsingham, Lord | |
| DF/ZOO/200/31/418-419a | Walsingham, Lord | |
| DF/ZOO/200/27/170 | Harrison, Thomas | |
| DF/DIR/932/1/6 | Swinhoe, R A; Walpole, S H; Walsingham, Lord | |
| DF/ZOO/200/18/559-566a | Walsingham, Lord | |
| DF/ZOO/200/19/163 | Ward, Henry Lee | |
| DF/ZOO/200/23/482-508 | Walsingham, Lord | |
| DF/ZOO/200/22/348-348a | Walsingham, Lord | |
| DF/ZOO/200/24/414-424 | Walsingham, Lord | |
| DF/ZOO/200/48/425 | Walsingham, [Lord] | |
| DF/TR/1/1/29/651 | Walsingham, Thomas De Grey, 6th Baron | |
| DF/ADM/1004/242 | Collections: Lord Walsingham (Microlepidoptera and library) | |
| DF/ENT/330/15 | Press copy out-letter book: general correspondence, J H Durrant, including papers on the army biscuit enquiry and the Walsingham Collection | |
| DF/ENT/330/16 | Press copy out-letter book: general correspondence, J H Durrant, including papers on the army biscuit enquiry and the Walsingham Collection | |
| DF/ENT/330/17 | Press copy out-letter book: general correspondence, J H Durrant, including papers on the army biscuit enquiry and the Walsingham Collection | |
| DF/ZOO/235/1/1/1/64 | Berney, George | |
| DF/BOT/404/1/8/10 | Walsingham | |
| DF/ENT/332 | Lepidoptera Section, Correspondence and Papers | |
| DF/PAL/100/37/218 | Walsingham, Lord | |
| DF/PAL/100/37/219 | Walsingham, Lord | |
| DF/ZOO/252/1/3/82 | Walsingham, Lord (Algeria) | |
| DF/ZOO/200/31/383a-383f | Stewart, John | |
| DF/ZOO/200/35/552-555 | Walsingham, Lord | |
| DF/ZOO/200/48/138-140 | Walsingham, [Lord] | |
| DF/ZOO/200/50/601 | Walsingham, [Lord] | |
| DF/ZOO/200/51/228a-228b | Walsingham, [Lord] | |
| WP/1/3/59 | Letter from Alfred Russel Wallace to John Wallace | |
| DF/PAL/152/2 | C W Andrews' expedition to Christmas Island, 1897-1898: correspondence, notes and photographs | |
| DF/ADM/1001/42 | Outgoing Letterbook, 11 Oct 1911 - 24 Apr 1912 | |
| DF/ZOO/202/1 | 'Miscellaneous documents': letters, lists, memoranda and reports relating to the work of the department, gathered by Dr A Günther | |