Letters from Sir Percy Zachariah Cox to Philip Lutley Sclater regarding specimens of Oryx Beatrix, Dik Dik skeletons, snakes and antelopes. Also letters regarding his election and membership of the Zoological Society of London
Letter from James A Crawford to Philip Lutley Sclater regarding an elephant at the Zoological Society of London
Letter from Richard Crawshay to Philip Lutley Sclater about an African wart hog in the Zoological Society's Gardens
Letter from Croizet bird dealers to Philip Lutley Sclater
Memorandum of agreement between Hugh Cuming and the Zoological Society of London for his collection of shells. Also one letter to Philip Lutley Sclater regarding the agreement
Letters from Robert Oliver Cunningham to Philip Lutley Sclater regarding his research and other papers
Letter from Alfred Nathaniel Curzon to Philip Lutley Sclater regarding membership of the Zoological Society of London
Letter from George Natheniel Curzon to Philip Lutley Sclater regarding his election as an honorary member of the Zoological Society of London
Millard was a relative of Philip and William Sclater, Secretaries of ZSL
Letter from George Mifflin Dallas to Philip Lutley Sclater regarding the proposal for a Zoological and Botanical garden in Central Park, New York