List of American zoos by A Lindsay; Report of a visit to New York and Chicago (1936); 'Notes on visits to some foreign zoos, 1934 and 1935' by Huxley (covering New York Bronx, Philadelphia, Washington, Paris Vincennes, Hamburg, Berlin, Munich Hellabrun, & Frankfurt); extract from report on the British Colonial Exhibit, World's Fair, New York, 1939; Report on visit to Austria and Germany by D Seth Smith (c1937); Report on a visit to the Zoological Gardens at Antwerp, Rotterdam and Amsterdam (1935); Report on a visit to France (1938); letter from Chalmers Mitchell to the Directors of Zoological Gardens in Germany, introducing Huxley, 1935; handwritten notes on zoos; notebook; 'La Reproduction des Animaux Sauvages en Captivite' by A Urbain; Report on visit to Brookfield Zoo (1940); guide to Internationalen Jagdaustellung, Berlin, 1937.

Journal of voyages to the W Indies, S America, E Indies and China, Cape of Good Hope and St Helena, from 1823 to 1831, in the Barque Charles and H C Ship Berwickshire

Letters from Nellie Louise Condon regarding the address of Methuen and Co publishers, and the Reptile Study Society of America

Correspondence between the Avicultural Society and George Soper Cansdale regarding an invitation for Cansdale and his wife to attended the nineteenth Meeting and Dinner of the British Aviculturists' Club, and ten Blue Masked Lovebirds that had arrived from the San Diego Zoo

Correspondence between J Aistrop and George Soper Cansdale regarding an offer to bring a pair of Scarlet Ibis from America to the Zoological Society of London

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 regarding the shipment of two Shetland Ponies from the Zoological Society of London to the Tel-Aviv Zoological Garden Society, a shipment of animals from the Zoological Society of Philadelphia, and the transport of a pair of Wallabies

Correspondence between Airlines and Geoffrey Marr Vevers regarding the shipment of a box of snakes to the Zoological Society of London, stuffed specimens of panda from Echwan Universities, and information about a regular air cargo service between London and the United States of America

Letters from Arthur E Brown of the Zoological Society of Philadelphia, to Philip Lutley Sclater regarding the birth of an African elephant

Letter from J Van Denburgh of the California Academy of Sciences, regarding publications of Joan Procter and Mr Boulenger which she sent to him