Letters from Abraham Dee Bartlett to Philip Lutley Sclater regarding the doors to the new elephant house, animal food consumption, the female rhinoceros, the mounted specimen of a young gorilla, authorisation to sell Alice the elephant to Mr Barnum, and the theft of an owl

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

Letter from Edward Bourke Ellis to Philip Lutley Sclater offering to bring a few gorillas to England on his return from Africa

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

Letter from W Hancock to Philip Lutley Sclater regarding the sale of a pair of blue faced gorillas to the Zoological Society of London

Letter from Frank Harrison to Philip Lutley Sclater regarding the price for a pair of young gorillas from Africa

Letters from Arnold Jerome Matthews to Philip Lutley Sclater regarding an expedition to the Gabon for the purpose of procuring some young living specimens of the gorilla, then available to purchase by the Zoological Society of London

Paper and draft letter for consideration regarding mountain gorillas

Notice from the Secretary regarding two gorillas bought by Dr Vevers for the Zoological Society of London

Memorandum by the Secretary on the housing of the gorillas