Correspondence between Chicago Zoo and Geoffrey Marr Vevers regarding a request for Hedgehogs and other animals at Chicago Zoo, and the exchange of animals with the Zoological Society of London
Correspondence with Philadelphia Zoological Gardens regarding regarding the War
Correspondence between James & Hodder and Geoffrey Marr Vevers regarding the collection of mammals and birds from the Philadelphia Zoo which arrived on the S.S.Sofie Bakke for the Zoological Society of London
Letter regarding a shipment of Hedgehogs from the Zoological Society of London to the Zoological Society of Philadelphia
Correspondence between Portland Zoological Park and Geoffrey Marr Vevers, and newspaper cuttings, regarding an exchange of reptiles, wallabies and hedgehogs
Correspondence between Geoffrey Marr Vevers and Philadelphia Zoological Garden regarding shipments of animals between their zoos, including Kodiak Bears, Coyotes, Raccoons, Aoudads, Thars, Opposums, Turkey Vultures, Screech Owls, Robins, Purple Grackles, Wood Thrushes, Olive-backed Thrush, Bicknell's Thrush, reptiles and amphibians
Correspondence with W P Heuschele, Veterinarian at San Diego Zoological Garden regarding the minutes of a meeting of the Research Council of the Biological Research Institute
Correspondence with Rio Grande Park Zoo regarding the acquisition of rare animals, such as Asiatic Rhinos