Letters from Carl Jacob Sundevall, Director of the Royal Museum Stockholm, to Philip Lutley Sclater regarding specimens found in the Museum such as Galapagos birds
Letter from Frederick Talbot, Secretary of the South Staffordshire Industrial and Fine Arts Exhibition 1869, to Philip Lutley Sclater requesting assistance to show birds and fish during the exhibition
Correspondence between James Thompson, Head Keeper at London Zoo, and David William Mitchell regarding the expense to carry out the experiment of rearing mammals and birds in the Hill Country for transmission to Enland, and the transmission of a collection of Himalayan pheasants to the Zoological Society of London
Correspondence between Union Castle Mail Steamship Co. Ltd and Geoffrey Marr Vevers regarding a shipment of Snakes, Chameleons, Birds, Penguins and Crane on board the vessel Umtali from Cape Town
Letter from the Secretary of the United Services Museum, accompanying two specimens of birds killed in Mexico and of a Scoter killed at Southampton. The letter asks the Zoological Society of London to inspect and return them
Correspondence between the University of Hull and Geoffrey Marr Vevers regarding the design of cages to hold fowls or rabbits and samples of drinking and feeding vessels, the appointment of an Assistant Lecturer in the Department of Zoology, artificial lighting for birds, the import of Macaws, and a source of supply of Chrysotis
Correspondence with the Variety of Birds Emporium regarding the purchase of Dwarf Flamingoes, Spot-billed ducks, Tragopan Pheasants and Demoissile Cranes
Correspondence between the Variety of Birds Emporium and George Soper Cansdale regarding the sale of animals to the Zoological Society of London and a pair of Blue Ring-necked Parrakeets collected through the Zoological Society of London for the Duke of Bedford
Letter from J G Vidjen of the Queensland Acclimatisation Society, to Philip Lutley Sclater regarding a shipment of birds for the Zoological Society of London
Letters from Alfred Russel Wallace to Philip Lutley Sclater regarding the purchase of a joint residential estate, extracts read at meetings of the Zoological Society of London, papers for the Proceedings of the Zoological Society of London and Natural Science, his publication on 'Monkeys - their structure, affinities and distribution', a shipment of birds for the Society, improvements to the Gardens of the Zoological Society of London, notes on the Umbrella Bird, his election as a Fellow, papers on marine mammals, opinions on theories by Darwin, Birds of Paradise, and a list of butterflies of Costa Rica