Draft notes by Julian Huxley on visits to the Zoological Gardens at New York (Bronx Park), Philadelphia, Washington DC, Paris (Vincennes), Hamburg, Berlin, Munich (Hellabrunn) and Frankfort, also the Aquarium at Chicago

Letter from George Atkins to Philip Lutley Sclater regarding an animal that was found in Sierra Leone and exhibited at the Sierra Leone Exhibition

Correspondence with Oliver Graham Jones regarding the order of a breeding pair of Kudu, the new Antelope accommodation and the African Ecology Project

Colour negatives of Indian python in captivity, dated 3 January 1976; captive jaguars, dated 17 June 1977; a hatching budgerigar and of a macaque/Celebes ape (Macaca nigra) and baby, dated September 1977; snakes in captivity, and some personal images, dated 25 December 1979

An album of black and white and colour photographs, including images of herpetofauna (snakes, frogs and crocodiles) in captivity and in the wild, as well as various zoo reptile enclosures, including Berlin, Frankfurt, Stuttgart, Singapore and Chester

Plans showing proposed alterations to the Great Ape Breeding Colony

Minutes of the Breeding Policy Committee, later the Committee of the Wellcome Institute of Comparative Physiology, of the Zoological Society of London

Reports of the Gene Bank for the Breeding Policy Committee, later the Committee of the Wellcome Institute of Comparative Physiology, of the Zoological Society of London

Papers regarding the policy of the Breeding Policy Committee, later the Committee of the Wellcome Institute of Comparative Physiology, of the Zoological Society of London

Press releases from the Institute of Zoology regarding the world's first Przewalski Wild Horse born to a surrogate pony, breeding endangered species, a new veterinary hospital at Whipsnade, British wildlife to benefit from health research and a Zoological Society of London scientist winning an International Environment Award