Correspondence with Philadelphia Zoo regarding the transport of snakes and the breeding of Tarsiers
Correspondence with the Royal Zoological Society of Ireland regarding the transportation of part of the brain of a Canada Lynx to the Zoological Society of London, the transportation of cormorants, and the use of copper sulphate to keep Sea Lion ponds free from algae
Correspondence with the Royal Zoological Society of Scotland regarding anti-venine for the treatment of snake bites, hairy frogs, and the Aard Wolf
Letter from George Mifflin Dallas to Philip Lutley Sclater regarding the proposal for a Zoological and Botanical garden in Central Park, New York
Correspondence between the Societe Royal d'Histoire Naturelle de Gand and Philip Lutley Sclater regarding the exchange of animals including a Bubal
Correspondence between the Duke of Bedford and George Soper Cansdale regarding the import of animals from Taronga Park, Parrots to be imported to Barrington House in Haywards Heath, the importation of European Bison from Sweden for the Duke of Bedford, and the exchange of other animals
Correspondence between Dierenpark Wassenaar and George Soper Cansdale regarding the sale of Shoebill Storks to the Zoological Society of London
Letters from J L Cox regarding the keeping of birds in the Gardens of the Zoological Society of London and a donation of animals from a friend for the Society
Letters from Alexander Agassiz to Philip Lutley Sclater about the collections of British Museum and Jardin du Plantes, Paris
Letters from Thomas George Baring to Philip Lutley Sclater regarding the Zoological Gardens at Calcutta