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

Letter from Antwerp Zoo, with papers on Consideration Upon the Necessity of Coordinating All Observations Taken on Okapis Living in Captivity, and Ways in Exhibiting Birds in Cages

Correspondence between W H Hale and George Soper Cansdale regarding the export of animals from Kenya and lists of approved Zoos

Letter to J N Ritchie of the Ministry of Agriculture Fisheries and Food regarding the Animal Welfare and Husbandry Committee forming a sub-committee dealing with Animal Breeding

Papers of the Breeding Policy Committee of the Zoological Society of London. The Breeding Policy Committee became the Committee of the Wellcome Institute of Comparative Physiology in 1971

Papers of the Breeding Policy Sub-Committees on Infertility, Selection and Fertility Control

Black and white and colour photographs, including images of herpetofauna (snakes, turtles and frogs) in captivity and in the wild, as well as views of habitats in Hong Kong

Unmounted colour transparencies of captive snakes