Correspondence with Carl Hagenbeck regarding the transport of animals on loan between Tierpark in Hamburgh-Stellingen and London Zoo

Correspondence between Carl Hagenbeck and George Soper Cansdale regarding whether animals that had been shipped to London on loan, could be replaced or returned to Hagenbeck before expiration of the three years stipulated

Correspondence between Carl Hagenbeck and George Soper Cansdale regarding a list of animals that the Zoological Society of London were willing to let Hagenbeck have in exchange against the specimens house in London Zoo

Correspondence between Carl Hagenbeck and Geoffrey Marr Vevers requesting the Zoological Society of London replace any of the animals received on loan from Hamburg

Correspondence regarding African wildlife conservation and Leopoldville Zoo

Correspondence between A F R Griffin and Geoffrey Marr Vevers regarding collecting a wife for an Orangutan named Spike at London Zoo

Letters from Sir Edward Gray to Philip Lutley Sclater regarding an exchange of animals with the Zoological Society of London, transporting eland from South Africa, and the offer of a hybrid between a British Pintail and a Wigeon

Letter regarding the shipment of 29 boxes of small live British mammals and birds to the Philadelphia Zoological Gardens

Letter from Gregor Grant to Geoffrey Marr Vevers regarding the offer of crocodiles from West Africa for the Zoological Society of London

Correspondence between Ronald Graham and Geoffrey Marr Vevers regarding the offer of a young pair of Chimpanzees for the Zoological Society of London