Letters from Christian Anton Goering to Philip Lutley Sclater regarding his visit to Venezuela and discovery of birds of Merida
Letters from Thomas de Grey to Philip Lutley Sclater regarding his expedition down the Rocky Mountains into New Mexico, skeletons of mammals for the Cambridge museum, and a paper on West Indian Microlepidoptera for the Proceedings of the Zoological Society of London
Letters from Grindlay and Co to Philip Lutley Sclater regarding the transport of animals and birds from Calcutta
Letters from Albert Geoffroy Saint-Hilaire, of the Jardin Zoologique D'Acclimatation to Philip Lutley Sclater regarding matters including the transport of kangaroos and birds to be sent to the Zoological Society of London
Letters from Sir Thomas Townsend Pears to Philip Lutley Sclater regarding an Abyssinian expedition, during which Mr William Jesse collected about 1250 specimens
Letters from Henry Pollock to Philip Lutley Sclater regarding Brighton Aquarium and the validity of proxies at the general meetings of the Zoological Society of London
Letters from Spencer Ponsonby to Philip Lutley Sclater regarding membership and Fellowship of the Zoological Society of London
Letters from Wilhelm von Nathusius to Philip Lutley Sclater regarding preparations of shells, samples of hair from wild assess, and papers
Letters from North Metropolitan Railway and Canal Co. to Philip Lutley Sclater regarding drainage from the Gardens of the Zoological Society of London into Regent's Canal
Letters from Wilhelm Lilljeborg to Philip Lutley Sclater regarding delivery of the Proceedings of the Zoological Society of London