Letters from John Samuel Budgett to Philip Lutley Sclater regarding his research on okapis and expeditions to study polypterus
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 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
Letters from Henry Walter Bates to Philip Lutley Sclater regarding his research and animals collected by Paul Du Chaillu
Report, plus Appendix 1 (Presentation on the work of ZSL to staff of NCWCD) and Appendix 2 (Georgina Mace's report on scientific research at KKWRC)
Correspondence with Geoffrey Marr Vevers regarding medical and veterinary supplies such as microscopes and syringes. Also a letter from the Directorate of Medical Supplies at the Ministry of Supply regarding research into a vaccine for Scrub Typhus and a request for Ostrich Eggs.