Negatives of views of Bristol and Paignton Zoos
Black and white photographs of 'unusually coloured cobras' (Naja naja) in captivity in Hong Kong, dated 21 December 1979 and 12 January 1980
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 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 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
Negatives of a marmoset, tamarin and gibbon, and of extended injection instrument
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