Includes: memos from the Layout Committee; letters from Lubetkin to Huxley; costings; Contract with Tecton; copy of 'The Architect and Building News', June 1944; handwritten notes; specifications. Includes correspondence with Burnet, Tait and Lorne; and with Tecton. Also mentions other abandoned schemes by Tecton for Gibbon House, Children's Zoo, South Gate. Includes correspondence between Huxley and the Maharajah of Bhavnagar and J Ellerman about funding; with Sir Harry Boyd of the Home Office concerning Royal patronage. Correspondence with Zoo Directors in Chicago, Dresden, Stellingen about their elephant houses.

Correspondence between Burnet, Tait and Lorne and Julian Sorell Huxley regarding proposed new elephant and rhinoceros houses and paddocks at the Zoological Society of London, and the proposed Tusker Elephant House at Whipsnade Zoo. Also minutes of the Whipsnade Committee 9th December 1936, and an extract from a memo on accommodation for catering staff at Whipsnade (known then as the House of Pleasant Bread)