Correspondence between James Thompson, Head Keeper at London Zoo, and David William Mitchell regarding the expense to carry out the experiment of rearing mammals and birds in the Hill Country for transmission to Enland, and the transmission of a collection of Himalayan pheasants to the Zoological Society of London
Letters from Edward Smith Stanley regarding matters concerning the government, problems of the Zoological Society of London, supply and exchange of animals, discussion of descriptions and well-being of animals and the hatching of eggs
Letters from Henry Walter Bates to Philip Lutley Sclater regarding his research and animals collected by Paul Du Chaillu
Letters from Herbrand Arthur Russell to Philip Lutley Sclater regarding the purchase of animals, his election as member of the council of the Zoological Society, his attendance at meetings and the appointment of a veterinary surgeon at the Zoological Society
Letters from Frederic Brine to Philip Lutley Sclater regarding the living conditions of a gorilla, a sacred white elephant which was said to have been in Siam but which he refuted, and the height and weight of Jumbo and Jenny
Letters from Henry Stephens Salt, Secretary of the Humanitarian League, to Philip Lutley Sclater regarding snake feeding at London Zoo
Letters from Osbert Salvin to Philip Lutley Sclater regarding the purchase of animals for the Zoological Society of London and meetings of the Council
Letters from Rajendra Mullick to Philip Lutley Sclater regarding the arrival of the steamer 'Hydaspes' with herds and animals from the Zoological Society of London
Correspondence between Brown, Jenkinson & Co Limited and Sheffield Airey Neave regarding a shipment of animals to be returned to Hamburg Zoo by the Zoological Society of London
Letter from J Lang of the Manchester branch of the Royal Society for the Prevention of Cruelty to Animals, to William Lutley Sclater regarding the feeding of snakes at the Zoological Society of London