| RefNo | Title |
| WP/15/1 | Mitten Papers: Correspondence |
| WP/1/1/115 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| WP/15/2/17 | Larter, C E, 'Some Cryptogams of the botanical districts of Braunton and Sherwill, North Devon' |
| WP/1/1/127 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| WP/1/1/35 | Letter from Alfred Russel Wallace to his son William Wallace, from Parkstone, Dorset |
| WP/15/1/6 | C E Larter to Miss Mitten |
| WP/1/1/125 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| WP/1/8/84 | [Flora] Mitten to Alfred Russel Wallace, from Hurstpierpoint, West Sussex |
| WP/1/1/80 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| WP/1/2/50 | Alfred Russel Wallace to Violet Wallace, from Parkstone, Dorset |
| WP/1/1/126 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| WP/15 | Papers of William Mitten |
| WP/17/34 | Treeps - Mitten family home |