| RefNo | Title | Source |
| WP/16/1/17 | Letter to William Greenell Wallace from W Botting Hemsley, Broadstairs | |
| WP/16/1/18 | Stamped envelope addressed in W Botting Hemsley's hand to William Greenell Wallace, postmarked Kent | |
| WP/1/8/248 | Alfred Russel Wallace to W. B. Hemsley from Broadstone, Wimborne | |
| WP/1/8/240 | Alfred Russel Wallace to W. B. Hemsley from Frith Hill, Godalming | |
| WP/1/8/250 | Alfred Russel Wallace to W. B. Hemsley from Broadstone, Wimborne | |
| WP/1/8/237 | Alfred Russel Wallace to W. B. Hemsley from Frith Hall, Godalming | |
| WP/1/8/242 | Alfred Russel Wallace to Mr. Hemsley from Frith Hill, Godalming | |
| WP/1/8/244 | Alfred Russel Wallace to W. B. Hemsley from Parkstone, Dorset | |
| WP/1/8/241 | Alfred Russel Wallace to W. B. Hemsley from Frith Hall, Godalming | |
| DF/BOT/400/4/74 | Hemsley, William Botting (Kew) | |
| DF/BOT/400/4/90 | Koch, M (Western Australia) | |
| DF/ZOO/230/5/160 | Hemsley, W Botting | |
| WP/1/8/239 | Alfred Russel Wallace to W. B. Hemsley from Frith Hill, Godalming | |
| WP/1/8/238 | Alfred Russel Wallace to W. B. Hemsley from Frith Hill, Godalming | |
| WP/15/3/1 | Obituary by William Botting Hemsley | |
| DF/BOT/404/1/4/16 | Hemsley | |
| DF/BOT/404/9/12/2 | Correspondence: Co-H | |
| DF/BOT/400/1/79 | Forbes, Francis Blackwell (London & Paris) | |
| DF/BOT/400/6/24 | Kew Royal Botanic Garden | |
| DF/BOT/400/13/51 | Hemsley, William Botting (Kew and Broadstairs) | |
| WP/1/8/245 | Alfred Russel Wallace to W. B. Hemsley from Parkstone, Dorset | |
| WP/1/8/247 | Alfred Russel Wallace to W. B. Hemsley from Parkstone, Dorset | |
| WP/1/8/251 | Alfred Russel Wallace to W. B. Hemsley from Broadstone, Wimborne | |
| WP/1/8/252 | Alfred Russel Wallace to W. B. Hemsley from Broadstone, Wimborne | |
| WP/1/8/253 | Alfred Russel Wallace to W. B. Hemsley from Old Orchard, Broadstone, Wimborne | |
| WP/1/9/53 | W. Botting Hemsley to William Greenell Wallace from Strawberry Hill | |