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