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
Letter from Gallard to Philip Lutley Sclater
Letter from J P Gassiot to Philip Lutley Sclater regarding P T Barnum and Jumbo the elephant
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
Letter from Henry Peters to Philip Lutley Sclater regarding the cancellation of his subscription to the Zoological Society of London
Letter from Edward Petre to Philip Lutley Sclater regarding his membership of the Zoological Society of London
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