Letters from Robert Ball, Secretary of the Royal Zoological Society of Ireland, to John Barlow regarding the exchange of animals with the Zoological Society of London

Articles of Agreement and correspondence between John Warwick with the Zoological Society of London and the Earl of Derby regarding a voyage to Egypt and Nubia to procure live animals and birds for the Zoological Society of Lonon

Letter from Leopold Charles Maurice Stennett to Philip Lutley Sclater offering to get anything he wished during his trip to South Africa, and thanking him for a recent zoo ticket

Letter from Arthur F Astley to Philip Lutley Sclater regarding the subject of reptile feeding at the Zoo

Letters from Phineas Taylor Barnum to Philip Lutley Sclater regarding the purchase and transfer of Alice the elephant. Also a letter regarding the purchase of specimens for Barnum's Zoological Museum

Letters from Sir Edward Gray to Philip Lutley Sclater regarding an exchange of animals with the Zoological Society of London, transporting eland from South Africa, and the offer of a hybrid between a British Pintail and a Wigeon

Letters from Charles Jamrach to Philip Lutley Sclater regarding payments for animals including a bison and lions

Correspondence with Leonard Harrison Matthews regarding meetings of the Zoological Society of London, animal accommodation, Scientific Fellows, the acquisition of animals, making Prince Philip a member of the Zoological Club, papers put forward to the Publications Committee, Giant Pandas in Peking, a possible presentation of animals to Delhi Zoo, Research Fellowships and Research Studentships, the Congress on Animal Reproduction, the sex ratio of mammalian births, and newsletters

Correspondence with Fairfield Osborne of the New York Zoological Society regarding the sale of a rhinoceros to Milwaukee Zoo and the International Zoo Yearbook

Correspondence with the Royal Society for the Prevention of Cruelty to Animals regarding statements on the capture and confinement of wild animals