| RefNo | Title | Source |
| WP/17/64 | Sketch of a waterfall | |
| WP/6/8/9 | Papers re autobiography My Life | |
| WP/1/3/10 | Letter from W G [William George] Wallace to Fanny (Frances Wallace) | |
| WP/17/70 | Sketch of cottage with church in background | |
| WP/17/79 | Drawing of house with cows | |
| WP/17/73 | Cadoxton Church | |
| WP/17/99 | Drawing of cottage and ruins | |
| WP/17/72 | Sketch for drawing of Samson pulling down the temple | |
| WP/17/75 | Llanbister and chapel | |
| WP/17/65 | View of a Church "Haleham" or Laleham" | |
| WP/17/63 | Sketch of house and tree | |
| WP/17/66 | View of a cottage and trees | |
| WP/17/74 | Sketch of Whittern | |
| WP/17/78 | House and faces | |
| WP/17/82 | 4 sketches - 2 churches, 1 column, 1 house | |
| WP/1/3/6 | Letter from Alfred Russel Wallace to his brother John | |
| WP/17/57 | Watercolour drawing - Greenell | |
| WP/17/100 | Neath, Glamorganshire | |
| WP/18/1 | Lock of hair wrapped in paper | |
| WP/1/3/59 | Letter from Alfred Russel Wallace to John Wallace | |
| WP/6/8/21 | Papers re autobiography My Life | |
| WP/17/53 | Mr Samuel Osgood | |
| WP/17/77 | William's old sketches | |
| WP/17/80 | 3 sketches and 1 cross section | |
| WP/17/88 | 7 sketches, mainly portraits | |