Early papers regarding the Aquarium at London Zoo, including correspondence, price lists, reports on visits to Hamburg, Berlin, Brussels and Dresden

Correspondence between W Hopkinson and George Soper Cansdale regarding an enquiry from the Zoological Gardens Board of Western Australia in connection with the offer they had received from Poly-Zoo Ltd of Antwerp, for the supply of a pair of Polar Bears

List of American zoos by A Lindsay; Report of a visit to New York and Chicago (1936); 'Notes on visits to some foreign zoos, 1934 and 1935' by Huxley (covering New York Bronx, Philadelphia, Washington, Paris Vincennes, Hamburg, Berlin, Munich Hellabrun, & Frankfurt); extract from report on the British Colonial Exhibit, World's Fair, New York, 1939; Report on visit to Austria and Germany by D Seth Smith (c1937); Report on a visit to the Zoological Gardens at Antwerp, Rotterdam and Amsterdam (1935); Report on a visit to France (1938); letter from Chalmers Mitchell to the Directors of Zoological Gardens in Germany, introducing Huxley, 1935; handwritten notes on zoos; notebook; 'La Reproduction des Animaux Sauvages en Captivite' by A Urbain; Report on visit to Brookfield Zoo (1940); guide to Internationalen Jagdaustellung, Berlin, 1937.

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 between the Societe Royale de Zoologie D'Anvers in Antwerp and Geoffrey Marr Vevers regarding a lioness called Raie which was sent by the Zoological Society of London, and a Chimpanzee which was sent by the Societe Royale de Zoologie D'Anvers to the Zoological Society of London

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'

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

Letters from A de Borre of the Musee Royal d'Histoire Naturelle Brussels, to Philip Lutley Sclater

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