Letter from John Samuel Budget to Peter Chalmers Mitchell requesting a grant from the Zoological Society of London towards the expenses of his expedition to Nigeria
Letters from Bennet Burleigh to Peter Chalmers Mitchell regarding two young ostriches and a squirrel from Somaliland to be gifted to the Zoological Society of London
Letter from William Schwenck Gilbert to Peter Chalmers Mitchell regarding an offer of two monkeys to the Zoological Society of London
Letter from John D Hamlyn to Peter Chalmers Mitchell regarding a gorilla and a chimpanzee for sale
Letter from William Henry Hudson to Peter Chalmers Mitchell enclosing a copy of Birds of La Plata for the Library of the Zoological Society of London
Letter from F Lawrence, honorary secretary of the Church Society for the Promotion of Kindness to Animals, to Peter Chalmers Mitchell regarding an article in the Daily Chronicle about the treatment of animals in the zoo
Letter from Samuel Pierpont Langley of the Smithsonian Institution to Philip Lutley Sclater regarding the establishment of a Zoological Park in the City of Washington
Letter from Henry Law to Philip Lutley Sclater regarding the drainage and water supply of the Zoological Gardens
Letter from Philip Lutley Sclater to Dr Le Preste regarding the delivery of elands
Letters from Sir Charles Lyell to Philip Lutley Sclater regarding the donations of a text regarding Charles Darwin to the Library of the Zoological Society of London, a list of books to be purchased for the Library, the foundation of a zoological society in Boston, Massachusetts, and a request from keepers to read books on natural history and the animals in their care