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

Memorandum regarding periods of fertility and the fertility rates of the various species of mammals on Exhibition at the Gardens of the Zoological Society of London since 1826

Correspondence between N Melides and George Soper Cansdale regarding the exchange of birds for breeding purposes

Correspondence with Geoffrey Marr Vevers regarding Eider Ducks that were bred by Lieutenant Colonel Lumsden

Correspondence between ZSL Library and Geoffrey Marr Vevers regarding a report about Congo Elephants to be deposited in the Library, the return of a book to the Library called 'Wild Animals in Captivity, a collection of photographs taken by the husband of Cherry Kearton, and a donation of engravings from Lady Smith Woodward

Correspondence between W H Hale and George Soper Cansdale regarding the export of animals from Kenya and lists of approved Zoos

Plans showing proposed alterations to the Great Ape Breeding Colony