Correspondence with Geoffrey Marr Vevers regarding Eider Ducks that were bred by Lieutenant Colonel Lumsden

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

Correspondence with the District Commissioner Borama/Zeilah regarding breeding Civet Cats in captivity

Letter from Arthur F Astley to Philip Lutley Sclater regarding the subject of reptile feeding at the Zoo

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 principle of keeping animals in captivity

Correspondence with the Royal Society for the Prevention of Cruelty to Animals regarding statements on the capture and confinement of wild animals

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

Black and white and colour photographs, mainly of various zoos, including Frankfurt, Berlin, Jersey, Antwerp, Stuttgart, Bristol, Paignton, Thoiry, Ueno (Tokyo) and Singapore, as well as images of herpetological specimens in captivity