Plans showing proposed alterations to the Great Ape Breeding Colony

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

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

Correspondence between Mrs F Edwards and Julian Sorell Huxley regarding principles of keeping animals in captivity

Reports by the Curator of Mammals for the Breeding Policy Committee, later the Committee of the Wellcome Institute of Comparative Physiology, of the Zoological Society of London

Correspondence between Copenhagen Zoo and Geoffrey Marr Vevers regarding a visit to London and Whipsnade Zoos, with arrangements regarding the transfer of animals

Black and white negatives and accompanying proof sheet of a macaque/Celebes ape (Macaca nigra) and baby in Hong Kong Zoological and Botanical Gardens, dated 1 January 1972; colour negatives of a young jaguar with J D Romer, and of snakes (Rhabdophis subminiatus) in captivity, probably in Hong Kong, dated February to March 1980

Black and white photographs of 'unusually coloured cobras' (Naja naja) in captivity in Hong Kong, dated 21 December 1979 and 12 January 1980