Letters from Charles Telfaire to Nicholas Aylward Vigors regarding his research on the Dodo, a tortoise from the Seychelles, tortoises of the Amirante Islands and Mombasa, and a Chamaeleon from the north of Madagascar to be presented to the Zoological Society of London
Letter from Robert Blake White to Philip Lutley Sclater regarding his research into tapirs
Letters from Robert Oliver Cunningham to Philip Lutley Sclater regarding his research and other papers
Letters from Henry Walter Bates to Philip Lutley Sclater regarding his research and animals collected by Paul Du Chaillu
Research notebook of A H Garrod, Prosector/Anatomist at London Zoo (1871-1879). Contains notes on the post-mortems of animals. Most are not dated.
Letters from George John Romanes to Philip Lutley Sclater regarding research into whether mutilations are ever inherited and Weismann's theory of heredity
Letters from John Samuel Budgett to Philip Lutley Sclater regarding his research on okapis and expeditions to study polypterus
Letters from William Bateson of the John Innes Horticultural Institution regarding frogs and further research
Minutes of the Aquarium Research Fellowship Committee
Report to the Council of the Zoological Society of London by the Aquarium Research Fellowship Committee