| RefNo | Title |
| WP/1/6/8 | Brown envelope annotated 'Fred. Birch's latest letters (to [Dec] 1910.)' |
| WP/1/2/90 | Alfred Russel Wallace to Violet Wallace, from Parkstone, Dorset |
| WP/1/6/7 | Fred Birch to Alfred Russel Wallace from the Brazil highlands |
| WP/1/6/6 | Fred Birch to Alfred Russel Wallace from Theophilo Ottoni, Brazil |
| WP/1/6/1 | Fred R Birch to Alfred Russel Wallace from Wavertree, Liverpool |
| WP/1/1/82 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| WP/1/1/183 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| DF/TR/1/1/27/43 | Birch, Frederick |
| DF/TR/1/1/28/61 | Birch, Frederick |
| WP/1/1/85 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| WP/1/6/9 | Photograph of Fred Birch |
| WP/1/6/3 | Fred Birch to Alfred Russel Wallace from Theophilo Ottoni, Brazil |
| WP/1/1/190 | Letter from Alfred Russel Wallace to his son William Wallace, from Broadstone, Dorset |
| WP/1 | Correspondence |
| WP/2/6/3/8 | Reminiscences, letters, drafts and related papers |
| WP/1/6/5 | Fred Birch to Alfred Russel Wallace from Theophilo Ottoni, Brazil |
| WP/1/6/4 | Fred Birch to Alfred Russel Wallace from Theophilo Ottoni, Brazil |
| DF/TR/1/1/29/66 | Birch, [Frederick] |
| DF/TR/1/1/30/53 | Birch, [Frederick] |
| WP/1/6 | Letters from Fred Birch |
| WP/1/6/2 | Fred Birch to Alfred Russel Wallace from Theophilo Ottoni, Brazil |
| WP/1/2/92 | Alfred Russel Wallace to Violet Wallace, from Parkstone, Dorset |