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 John Edward Gray regarding John Gould's collection of birds and his subscription to the Zoological Society of London

Letter from Captain J G Green to offer a specimen of a barn door hen which had developed cock plumage to the Zoological Society of London

Letter from John Green to David William Mitchell regarding the transport of the hippopotamus on the 'Ripon' for the Zoological Society of London

Correspondence between A F R Griffin and Geoffrey Marr Vevers regarding collecting a wife for an Orangutan named Spike at London Zoo

Letters from Grindlay and Co to Philip Lutley Sclater regarding the transport of animals and birds from Calcutta

Letters from Arthur Grote to Philip Lutley Sclater regarding a shipment of birds

Correspondence with Carl Hagenbeck regarding the transport of animals on loan between Tierpark in Hamburgh-Stellingen and London Zoo

Correspondence between Carl Hagenbeck and George Soper Cansdale regarding a shipment of Redbreasted Geese to the Zoological Society of London

Letter from Carl Hagenbeck to Peter Chalmers Mitchell regarding his shipment of a buffalo to the Zoological Society of London