Black and white negatives of landscape views of Tai Mo Shan, Hong Kong, dated 8 December 1979 and 2 December 1980, illustrating herpetofauna habitats
Black and white photographs of the landscape of Tai Mo Shan and Victoria Peak, Hong Kong, illustrating herpetofauna habitats
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 the Hong Kong Zoological and Botanical Gardens, and of Hong Kong from a helicopter, dated April 1975
Colour negatives of Indian python in captivity, dated 3 January 1976; captive jaguars, dated 17 June 1977; a hatching budgerigar and of a macaque/Celebes ape (Macaca nigra) and baby, dated September 1977; snakes in captivity, and some personal images, dated 25 December 1979
Colour negatives of the Japan Snake Institute and Ueno Zoo, Tokyo
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 negatives of toads (Megophrys brachykolos)
Colour negatives of views of Stuttgart, Frankfurt, Jakarta and Bogor Zoos
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