Letter from Michael Rogers Oldfield Thomas of the British Museum (Natural History) to Philip Lutley Sclater regarding the skin of a giraffe
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 the Sunday Opening Joint Deputation to Philip Lutley Sclater regarding the opening of museums, art galleries and libraries on Sundays
Letters from Edward Pierson Ramsay, Curator of the Australian Museum, to Philip Lutley Sclater regarding the transportation of a ceratodus to the Zoological Society of London
Letters from Wilhelm Carl Hartwig Peters of the Museum Regium Zoologicum, to Philip Lutley Sclater regarding Huxley's paper, a sketch of the plan of the monkey house, plates, specimens in his possession, and his memoirs
Letters from William Saville Kent of the Museum and Institute of Pisciculture Society Limited, to Philip Lutley Sclater regarding the establishment of a marine observatory and laboratory in connection with the Brighton Aquarium, his appointment as Inspector of Fisheries to the Government of Tasmania, his application to become a Fellow of the Zoological Society of London, his inspection of the fish house, enquiries about the vacant post of Prosector, and a proposed British Zoological Station for the study of marine animals and plats with relation to the advancement of the sciences of biology and economic pisciculture
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 John Edward Grey of the British Museum to Philip Lutley Sclater regarding the key to the gardens of the Zoological Society of London, a paper on tortoises, specimens of a monkey and lemur to be exhibited at a meeting, the death of a gorilla, meetings of the Council, and reports of the Proceedings of the Zoological Society of London
Letters from Alphonse Milne-Edwards, Director of the Menagerie au Museum d'histoire naturelle, to Philip Lutley Sclater
Letter from Henry Francis Blanford to Philip Lutley Sclater regarding an application from the Prosector's assistant at the Zoological Society of London for the post of Osteologist at the Indian Museum