Letters from Henry Stephens Salt, Secretary of the Humanitarian League, to Philip Lutley Sclater regarding snake feeding at London Zoo
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
Correspondence with the Royal Society for the Prevention of Cruelty to Animals regarding statements on the capture and confinement of wild animals
Correspondence with Rio Grande Park Zoo regarding the acquisition of rare animals, such as Asiatic Rhinos
Correspondence with Fairfield Osborne of the New York Zoological Society regarding the sale of a rhinoceros to Milwaukee Zoo and the International Zoo Yearbook
Letters from Charles Augustus Murray to David William Mitchell regarding the shipment of animals to the the Gardens of the Zoological Society of London from Egypt, with receipts
Letters from Rajendra Mullick to David William Mitchell giving thanks for a shipment of birds shipped from the Zoological Society of London and reports on zoology, and birds and animals onboard the Prince of Wales for the Zoological Society of London
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
Letters from Alexander Miller of the Zoological Gardens regarding a Chinese Pheasant which escaped and had been running in Park Street, Camden Town, an escape from the Dove House, the removal of an oak fence on the southern boundary, the health of a Rhinoceros, the Society's Cashmere Goat, his visit to City Road Basin, the purchase of a Chimpanzee, a visit by the Queen to the Gardens, a stillborn Rhesus Monkey, dimensions of the back of a new den for the Elephant and Rhinoceros, the cost of laying the floor of the Elephant and Rhinoceros House, the death of a Chimpanzee and the return of John Woodbridge with Cranes and Leopards
Correspondence with Leonard Harrison Matthews regarding meetings of the Zoological Society of London, animal accommodation, Scientific Fellows, the acquisition of animals, making Prince Philip a member of the Zoological Club, papers put forward to the Publications Committee, Giant Pandas in Peking, a possible presentation of animals to Delhi Zoo, Research Fellowships and Research Studentships, the Congress on Animal Reproduction, the sex ratio of mammalian births, and newsletters