Correspondence between Zurich Zoo and Geoffrey Marr Vevers regarding the exchange of animals between Zurich Zoo and 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
Correspondence between Ceylon Zoo and Geoffrey Marr Vevers regarding passage for Simon, an Elephant Keeper from Ceylon Zoo, and a shipment of two crates of Wallabies
Correspondence between Tel Aviv Zoo and Geoffrey Marr Vevers regarding an exchange of animals between the Zoological Society of London and Tel Aviv Zoo
Letter from the Royal Zoological Society of London regarding any difference in the height of an Elephant when standing and when lying on its side. Also a paper on 'The Birth of an Asiatic Elephant' by Dr Ellen M Hindle (based on a report by Dr Lamberto Crudi, Director, Zoological Gardens, Rome)
Correspondence with Dierenpark Wassenaar regarding formula used for hummingbirds and the exchange of animals