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.

Letters from W A Conklin of the Department of Public Parks in New York, to Philip Lutley Sclater regarding the birth of an elephant at a circus in Philadelphia