| # | Reference code | Title | Dates | Access restrictions | Retrieval information |
|---|---|---|---|---|---|
| 1 | GB 275 Colenso/Folder 3-6/Folder 3-4 | Letters from JWC | 1874–1883 | None | |
| 2 | GB 275 Colenso/Folder 3-6/Folder 5 | Letters from Nelly Colenso | 1874–1883 | None | |
| 3 | GB 275 Colenso/Folder 2 | Miscellaneous Letters | 18 May 1853–23 August 1881 | None | |
| 4 | GB 275 Colenso/Folder 3-6/Folder 6 | Miscellaneous letters to JDLT | 1874–1886 | None | |
| 5 | GB 275 Colenso/Folder 1 | Notebook | 5 February 1863–26 December 1863 | None |