Plans and sections of Three Islands Pond at London Zoo
Papers relating to the planning of Regent's Park, including photographs, reports, plans and minutes
Correspondence, plans and minutes of meetings of the Nuffield Institute of Comparative Medicine
Correspondence between the Zoological Society of London, Peter Shepheard of Bridgwater Shepheard and Epstein, and Franz Stengelhofen regarding the Cotton Terraces, including the surfacing of paddocks, tree planting, blanket weeds in moats, and a felling and planting policy
Documents relating to the lease and sale of Gloucester Gate Garage to ZSL
Correspondence between Albert Pam and Julian Sorell Huxley regarding plans for the new Elephant House and meetings of the Lay-Out Committee
Correspondence between Paignton Zoo and Geoffrey Marr Vevers regarding exhibits for Paignton Zoo from Carl Hagenbeck's Zoo
Letters from Richard Owen regarding remarks on Bennett's edition of White's Natural History of Selborne, proofs of Bennett's paper with appreciation of his opinion on the value of Ousimile on Macr. Porryi, additions and alterations to notes on Hyrax, his omitted note of the salivary bags of the Armadillo from the written report of its dissection, MS of Clavagella, plans of the Monkey House and whether it is heated by hot air or steam, arrangements at the Garden to facilitate repetition and extension of experiments by Mr Hunter in 1725/6/7 to determine the relations subsisting between Wolf, Jackall and Dog, examination of 'your little feli-viverrine quadruped, bones of Touraco and drawings of Terebratala for the Zoological Society of London, East India Goats for sale by Mr Evans Riadone, an introduction to Mr Meade, a senior student at St Bartholomew's and a comparative anatomist and articulator of skeletons who wished to become a candidate for the College of Surgeons curatorship, and a request for Bennett to check a reference to 'Zoologie de la Caquille'
Correspondence with Eirwen M Owen regarding classes of membership, press statements, members of the Council of the Zoological Society of London, the XYZ Club, an article in the New Scientist about the Canal Banks and the opening of the Elephant Pavilion