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
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 collection of papers mainly relating to the herpetology of Hong Kong, including a typewritten papers entitled 'Notes on the Geckos of Hong Kong', a series of black and white photographs (plus negatives) showing a Hong Kong landscape with accompanying notes detailing the collection of herpetological specimens, a list of reptile and amphibian specimens in Romer's collection, two colour photographs and accompanying sketch of a turtle (Trionyx steindachneri), and Romer's curriculum vitae