Correspondence between Antwerp Zoo and Geoffrey Marr Vevers regarding an exchange of animals between the Zoological Society of London and Antwerp Zoo, and a paper called 'Notes about our attempt to present snakes separated from the public by an invisible obstacle'

Letter from Antwerp Zoo, with papers on Consideration Upon the Necessity of Coordinating All Observations Taken on Okapis Living in Captivity, and Ways in Exhibiting Birds in Cages

Correspondence between Basel Zoo and Geoffrey Marr Vevers regarding an exchange of Wallabies and Hamsters

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

Correspondence with Budapest Zoological and Botanical Garden requesting aid

Colour negatives of Mrs Ray Romer with a baby gorilla at Frankfurt Zoo, and views of Antwerp and Stuttgart Zoo, along with some personal images, dated June to July 1975; Colour negatives of Mrs Ray Romer with a baby gorilla and a baby orangutan at Frankfurt Zoo, along with various views of that zoo and of Hong Kong Zoological and Botanical Gardens, plus some personal images, dated July 1975

Colour negatives of views of Stuttgart, Frankfurt, Jakarta and Bogor Zoos

Correspondence with Dresden Zoo an invitation to visit London Zoo and Whipsnade, and back numbers of the Oryx journal

Correspondence between the Zoo-Centre in Brussels and Geoffrey Marr Vevers regarding the transfer of birds and Wallabies

Correspondence between Prague Zoo and Geoffrey Marr Vevers regarding a pair of Bennett's Wallabies which were sent to Prague Zoo by the Zoological Society of London