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

Correspondence between E H Tong and George Soper Cansdale regarding matters at Whipsnade, including causes of deaths of animals, animal record cards, the Canadian Department of Mines and Resources, the acquisition of animals, and animals on deposit from Germany

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'

Letters from L M Flewin to the Food and Agriculture Division in Germany regarding the post mortem results of Racoons taken from Hanover Zoo, and a post mortem certificate for a Wild Horse

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

Correspondence with public about Pipaluk and Mosa, ex-ZSL polar bears, in Katowice Zoo, Poland

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

Correspondence between Anthony Chaplin and Geoffrey Marr Vevers regarding the import of animals from France to the Zoological Society of London

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

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