Letters from Thomas Horsfield regarding his inability to meet Yarrell and Sabine, examination of his proofs, information of remarks of any kind on a species of elephant described in a passage he quotes from Bishop Heber's journal, Bennet's judgement on descriptions of several species, and an introduction to Mr Hugh Murrey who was was engaged in publication of an Account of China for the Edinburgh Cabinet Library in Zoology of China

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)

Correspondence between Major Albert Pam and the Zoological Society of London regarding an exhibition of domestic animals, the death of Frederick Bond and provision for his widow, a memorandum by the Treasurer for an increase in pay for permanent staff, matters for discussion with Geoffrey Marr Vevers, advertisements for an Assistant Superintendent and application forms, a list of duties for the Assistant Superintendent, lists of senior staff, organisational charts and proposals for an elephant house

Report on elephant enclosures, temperatures in various houses such as antelope and cattle sheds, possible overcrowding in bears' enclosures, inmates of cattle and deer sheds, the health of otters and coypus, numbers in the bird house and aviaries, bird house temperatures and the Three Island Pond