Correspondence with Connie McTurk regarding collecting animals in British Guiana for the Zoological Society of London

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

Correspondence with G C Sauvage regarding animals for sale including Sitentunga, Reticulated Giraffes, a Brazza Monkey, Waterbuck, Vultures, Gazelles and Canaries

Correspondence with K C Sen of The Variety of Birds Emporium, regarding shipments of animals to the Zoological Society of London

Correspondence with Peter Scott and the Wild Fowl Trust regarding the exchange of animals, and the Waterfowl Registry

Correspondence regarding collectors of animals

Correspondence with David Attenborough regarding the diet of Giant Pangolins, a Zoo Quest trip to Paraguay and a request for supplies, a collection of birds, Gerald Durrell's hopes to set up a zoo in Jersey, and two bottle-nosed Dolphins that were caught in the Adriatic and taken to Plymouth by the BBC Natural History Unit

Correspondence with Lady Olive Bailie regarding her trip to London Zoo and a tour of the birds, and invitation to see her collection of birds, and an offer of Masked Lovebirds for Lady Bailie

Correspondence with Gerald Durrell regarding animals to be deposited at London Zoo, the exchange of Gough Island Moorhens for a pair of Rheas, a publication by the International Union for the Preservation of Nature on extinct and vanishing birds, a trip to Argentina, the diet of Giant Pangolins, and the care of Notornis

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.