Journal of voyages to the W Indies, S America, E Indies and China, Cape of Good Hope and St Helena, from 1823 to 1831, in the Barque Charles and H C Ship Berwickshire

Voyage to and from China, in H C Ship Berwickshire, in 1832 and 1833

Letters from Thomas Horsfield regarding his inability to meet Yarrell and Sabine, examination of his proofs, information of remarks of any kind on a species of elephant described in a passage he quotes from Bishop Heber's journal, Bennet's judgement on descriptions of several species, and an introduction to Mr Hugh Murrey who was was engaged in publication of an Account of China for the Edinburgh Cabinet Library in Zoology of China

Correspondence with Sidney Bernstein regarding permission to send a Granada team to film animals in China

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

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

Handwritten notes by J D Romer on Hong Kong chelonians, lizards and amphibians, 1947-1965; Hong Kong amphibians, 1967-1981; Hong Kong chelonians and lizards, 1967-1981; Hong Kong snakes, 1947-1967; and Hong Kong snakes, 1967-1981