| RefNo | Title | Source |
| WP/18/33 | Carl Friedrich Philipp von Martius to T. Hanbury from Murnau | |
| WP/1/1/152 | Note by Mrs Richard Wallace | |
| WP/1/1/188 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorsete | |
| WP/1/1/47 | Letter from Alfred Russel Wallace to his son William Wallace, from Parkstone, Dorset | |
| WP/1/1/46 | Letter from Alfred Russel Wallace to his son William Wallace, from Parkstone, Dorset | |