| RefNo | Title | Source |
| WP/16/2/44 | Letter to William Greenell Wallace from the Curator, Pitt Rivers Museum, University of Oxford | |
| WP/16/2/43 | Letter to William Greenell Wallace from the Curator, Pitt Rivers Museum, University of Oxford, | |
| WP/12/18 | 'An Outline of the History of the Eolithic Flint Implements' by Benjamin Harrison | |
| WP/1/8/182 | Cha. W. Shepherd to ?Alfred Russel Wallace, and B. Harrison to Alfred Russel Wallace | |
| DF/PAL/100/59/265 | Harrison, B | |