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

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

Correspondence between the Colonial Office and George Soper Cansdale regarding fry of Tilapia Zillii to be despatched to Antigue, an Tilapia Mossambica and Trichogaster Pectoralis Regan from Malaya for the West Indies

Correspondence between Chicago Zoo and Geoffrey Marr Vevers regarding a request for Hedgehogs and other animals at Chicago Zoo, and the exchange of animals with the Zoological Society of London

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

Correspondence between Rowley Bristow and Geoffrey Marr Vevers regarding material showing the comparative anatomy of the forearm and Ronald Furlong of St Thomas' Hospital who was working on the surgery of the hand and tendons in America

Correspondence between Bristol Zoo and Geoffrey Marr Vevers regarding a collection from Philadelphia for the Zoological Society of London, a pair of Husky Dogs for Bristol Zoo, the transfer of surplus animals from Alabi, By-Laws of the Zoological Society of London, import licences, a shipment of raccoons, a Duiker onboard Ocean Fame for the Zoological Society of London, an order for a pair of Sea Lions, information on staff salary scales, a Serval Cat donated by Manchester Zoo and pathological information regarding primary amyloidosis

Letters from Spencer Fullerton Baird of Washington to Philip Lutley Sclater regarding ornithology

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