Correspondence between Colombo Zoo and Geoffrey Marr Vevers regarding the Osman Hill collection which was temporarily housed in London Zoo on behalf on Dr W C C Hill
Correspondence between Philadelphia Zoo and George Soper Cansdale regarding the importation of Salamanders for the Pathology Department of Ancoats Hospital
Correspondence between Rotterdam Zoo and George Soper Cansdale regarding the exchange of animals between Rotterdam Zoo and the Zoological Society of London
Correspondence between the Royal Zoological Society of Scotland and George Soper Cansdale regarding the exchange of animals between the Royal Zoological Society of Scotland and the Zoological Society of London
Correspondence between Taronga Zoo and George Soper Cansdale regarding the exchange of animals between Taronga Zoo and the Zoological Society of London
Correspondence between Moscow Zoo and Geoffrey Marr Vevers regarding the exchange of animals between the Zoological Society of London and Moscow Zoo. Also an article by V V Chernomordikov called 'On inherent and acquired food reactions in reptiles'
Correspondence between Philadelphia Zoo and Geoffrey Marr Vevers regarding a shipment of brine shrimp eggs for the Zoological Society of London
Correspondence between Moscow Zoo and Geoffrey Marr Vevers regarding various animals, reptiles and birds available for export from the Soviet Union
Correspondence between Rangoon Zoological Gardens and Geoffrey Marr Vevers regarding Colonel Ranking helping to bring home a collection of King Penguins, 24 of which went to London Zoo
Correspondence between Zurich Zoo and Geoffrey Marr Vevers regarding an offer of six Catarrhactus chrysocomus to Zurich Zoo