Colour negatives of various views of Hong Kong Zoological and Botanical Gardens, dated 1975, 6 March 1977, 12 March 1977, 13 March 1977

Colour negatives taken in the Hong Kong Zoological and Botanical Gardens, of the mammal house, dated November 1974; lemurs, marmosets, a Celebes ape and an agouti, dated 1975; orangutans, dated May 1978; a hand-reared squirrel monkey and other mammals, dated 25 September 1975

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

Mounted colour slides mainly of snake specimens, but also including images of the Hong Kong Zoological and Botanical Gardens and local landscape, along with some personal images

A ledger containing listings of animals at Belle Vue Zoo, giving date of arrival, supplier, price, species, sex, condition, and disposal (sale/exchange/died/gift/loan). New animals added from 1960-1971, but animals that arrived earlier and were still living in the zoo are listed too, going back to 1938

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 with Dresden Zoo an invitation to visit London Zoo and Whipsnade, and back numbers of the Oryx journal

Correspondence with the National Zoological Gardens of South Africa regarding the annual conference of the International Union of Zoo Directors

Correspondence with the Zoological Society of Jos regarding assistance from the Zoological Society of London