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
Early papers regarding the Aquarium at London Zoo, including correspondence, price lists, reports on visits to Hamburg, Berlin, Brussels and Dresden
Correspondence between Basel Zoo and Geoffrey Marr Vevers regarding an exchange of Wallabies and Hamsters
Contract between ZSL and the Department for International Development
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
Letters from A de Borre of the Musee Royal d'Histoire Naturelle Brussels, to Philip Lutley Sclater
Correspondence with Budapest Zoological and Botanical Garden requesting aid
Correspondence between Anthony Chaplin and Geoffrey Marr Vevers regarding the import of animals from France to the Zoological Society of London
Correspondence with Sir George Clubton regarding the possibility of obtaining Elk, Bison and Przewalski's Horses from Warsaw