Correspondence with Philadelphia Zoo regarding the transport of snakes and the breeding of Tarsiers

Correspondence with Philadelphia Zoological Gardens regarding regarding the War

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 between Philadelphia Zoo and George Soper Cansdale regarding the importation of Salamanders for the Pathology Department of Ancoats Hospital

Correspondence between Philadelphia Zoo and Geoffrey Marr Vevers regarding a shipment of brine shrimp eggs for the Zoological Society of London

Letter regarding a shipment of Hedgehogs from the Zoological Society of London to the Zoological Society of Philadelphia

Notes by Julian Huxley on visits to the Zoological Gardens at New York (Bronx Park), Philadelphia, Washington DC, Paris (Vincennes), Hamburg, Berlin, Munich (Hellabrunn) and Frankfort, also the Aquarium at Chicago

Draft notes by Julian Huxley on visits to the Zoological Gardens at New York (Bronx Park), Philadelphia, Washington DC, Paris (Vincennes), Hamburg, Berlin, Munich (Hellabrunn) and Frankfort, also the Aquarium at Chicago

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