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
Correspondence between G Kenneth Whitehead and George Soper Cansdale regarding the stock of Muntjac at London and Whipsnade Zoos
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