Letters from Lionel Walter Rothschild, 2nd Baron Rothschild, to Philip Lutley Sclater regarding an expedition to the Sandwich Islands, papers on birds of the Sandwich Islands, drawings of a Rail, ornithological exhibitions, the sale of a rhinoceros, his drawing of a rhinoceros to be published in the Proceedings of the Zoological Society of London, his Cassowaries at Tring, a transfer of Tragelaphus, Galapagos Tortoises, Eclectus Parrots, Lemurs and Zebras

Letters from Frederick Courteney Selous to Philip Lutley Sclater regarding his papers, notes on his egg collecting trip to Asia Minor, admission to the Gardens of the Zoological Society of London, a donation towards the International Congress of Zoology, notes on the red Rhebuck, meetings the Zoological Society of London, the horns of a white rhinoceros, his election as a corresponding member of the Society and accounts of his travels

Letter from the New York Zoological Society regarding the acquisition of an Indian Rhinoceros

Correspondence with Fairfield Osborne of the New York Zoological Society regarding the sale of a rhinoceros to Milwaukee Zoo and the International Zoo Yearbook

Correspondence between Raymond Hook and Geoffrey Marr Vevers regarding offers of animals including a Rock Hyrax, a pair of Rhinos, Reticulated Giraffes and Grevy's Zebras

Letter from the Conservator of Forests in Assam to the Divisional Forest Officer, Sibsagar Division regarding arrangements for catching a Rhino to be dispatched to the Zoological Gardens in Alipore on behalf of the Zoological Society of London

Correspondence between Geoffrey Marr Vevers and E P Gee regarding a Rhinoceros film he made on a visit to the Kaziranga Sanctuary in 1939

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,