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
An album of black and white and colour photographs of various python specimens
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
An album of black and white and colour photographs, including images of herpetofauna (snakes, frogs and crocodiles) in captivity and in the wild, as well as various zoo reptile enclosures, including Berlin, Frankfurt, Stuttgart, Singapore and Chester
Unmounted colour transparencies of captive snakes
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