Correspondence between James Thompson, Head Keeper at London Zoo, and David William Mitchell regarding the expense to carry out the experiment of rearing mammals and birds in the Hill Country for transmission to Enland, and the transmission of a collection of Himalayan pheasants to the Zoological Society of London
Correspondence, proposals and visit reports regarding Operation Curieuse, a project to build a rearing unit for Giant tortoises and the establishment of education and anti-poaching programmes on Curieuse Island, The Republic of Seychelles
Correspondence between B L Mitchell and George Soper Cansdale regarding payment for shipments of animals to the Zoological Society of London and the subject of rearing young Leopards
Correspondence with Lady Zoe Hart-Dyke of Lullingstone Silk Farm Ltd, regarding the rearing of Emus, the sale of Peafowl, and Lyre-Birds
Correspondence between the Duke of Bedford and Geoffrey Marr Vevers regarding getting European Bison from Poland, the Curator of the New York Zoological Society sending White-tailed deer to the Zoological Society of London, an offer of Chartley Cattle and Soay Sheep by the Duke of Bedford, a specimen of the under-coat of the Pere David's deer, the early history of Pere David's deer, an Indian Rhino being brought from Calcutta by ZSL Overseer L M Flewin, Wisent bulls in Stockholm, the rearing of Pere David's deer at Whipsnade, an exchange of Parakeets, and the importation of Pere David's deer to Australia,
Correspondence with V Blackwell regarding the diet and rearing of Tarsiers