Colour negatives of the Hong Kong Zoological and Botanical Gardens, and of Hong Kong from a helicopter, dated April 1975
Colour negatives of the Japan Snake Institute and Ueno Zoo, Tokyo
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 of views of Stuttgart, Frankfurt, Jakarta and Bogor Zoos
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
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
Unmounted colour transparencies of captive snakes