Correspondence with Joyce Raven regarding the breeding of Giant Pandas
Correspondence with Philadelphia Zoo regarding the transport of snakes and the breeding of Tarsiers
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
Correspondence between W H Hale and George Soper Cansdale regarding the export of animals from Kenya and lists of approved Zoos
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
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
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