| RefNo | Title | Source |
| WP/1/3/30 | Letter from Alfred Russel Wallace to his mother (Mary Anne Wallace) | |
| WP/1/3/31 | Letter from John Wallace, from Columbia | |
| WP/1/3/35 | Letter from Alfred Russel Wallace to Fanny, (Mrs Thomas Sims) | |
| WP/1/3/97 | Handwritten copy of letter from John Wallace to his mother Mary Wallace, from Campo Seco [California] | |
| WP/1/3/101 | Handwritten copy of letter from John Wallaces to his mother Mary Wallace, from Saw Mill Camp | |
| WP/1/3/106 | Handwritten copy of letter from John Wallace to his mother Mary Wallace, from Columbia | |
| WP/1/3/104 | Handwritten copy of letter from John Wallace to his mother Mary Wallace, from Columbia | |
| WP/1/3/108 | Letter from Mary Anne Wallace to Thomas Sims | |
| WP/1/3/102 | Handwritten copy of letter from John Wallace to [his mother Mary Wallace], from Summit Pass | |
| WP/1/3/103 | Handwritten copy of letter from John Wallace to [his mother Mary Wallace], from Columbia | |
| WP/2/1/1 | Mary Anne Greenell/Wallace | |
| WP/2/1/13 | Grave of Mary Ann Wallace, Ifield, West Sussex | |
| WP/1/3/77 | Letter from Herbert Edward Wallace to his sister Fanny | |
| WP/1/3/36 | Letter from Alfred Russel Wallace to his mother | |
| WP/1/3/105 | Handwritten copy of letter from John Wallace to his mother Mary Wallace, from Columbia | |
| WP/2/1/2 | Group portrait | |
| WP/1/3/98 | Handwritten copy of letter from John Wallace to his mother Mary Wallace, from the Head Waters of the Stanislaus River | |
| WP/1/3/50 | Letter from Alfred Russel Wallace to his mother (Mary Ann Wallace) | |
| WP/1/3/40 | Letter from Alfred Russel Wallace to Fanny (Mrs Thomas Sims) | |
| WP/1/3/91 | Correspondence about legacies (arising from the Greenell side of the family) for Alfred Russel Wallace and John Wallace | |
| WP/1/3/3 | Letter to Thomas Wilson from Mary Anne Wallace | |
| WP/1/3/4 | Letter from Mary Anne Wallace (signed with illegible initials) to Miss Draper | |
| WP/1/3/34 | Letter from Alfred Russel Wallace to Fanny, (Mrs Thomas Sims) | |
| WP/1/3/99 | Handwritten copy of letter from John Wallace to his mother Mary Wallace, from Saw Mill Camp | |
| WP/1/3/109 | Letter from Mary Anne Wallace to her daughter Fanny [Frances] Sims | |
| WP/1/3/32 | Letter from Alfred Russel Wallace to his mother (Mary Anne Wallace) | |
| WP/1/3/44 | Transcription in an unknown hand, possibly that of Alfred Russel Wallace's mother Mary Anne Wallace, of extracts from a letter from Alfred Russel Wallace to his mother, | |
| WP/1/3/59 | Letter from Alfred Russel Wallace to John Wallace | |
| WP/6/8/6 | Papers re autobiography My Life | |
| WP/6/8/21 | Papers re autobiography My Life | |
| WP/1/8/297 | Alfred Russel Wallace to the members of the Neath Mechanics Institute | |