Correspondence between the Ministry of Agriculture and Geoffrey Marr Vevers regarding licences for the movement of animals to the Sanatorium and Quarantine Stations in the Zoological Gardens, a Vicunuas infected with sarcoptic mange, the importation of dogs and cats, animals shipped by the SS Arakaka, the detention of foxes in the Mammal House, the purchase of African Weaver Finches and Leopard cubs on board the warship Victorious
Correspondence between Copenhagen Zoo and George Soper Cansdale regarding a request for a dozen Ruffs for the Zoological Society of London, the Zoo Directors' Congress, and a consignment of mammals, birds and reptiles from Australia
Correspondence between Alan Francis Brooke and Officers of the Zoological Society of London regarding his resignation from the Presidency of the Zoological Society of London, the Annual General Meeting, and a collection of Australian mammals and birds
Correspondence with Geoffrey Marr Vevers regarding mammals presented to the Zoological Society of London by dealers
Letters from Thomas de Grey to Philip Lutley Sclater regarding his expedition down the Rocky Mountains into New Mexico, skeletons of mammals for the Cambridge museum, and a paper on West Indian Microlepidoptera for the Proceedings of the Zoological Society of London
Letters from Professor Dr J J Hess of Zurich to Patrick Alfred Buxton, regarding the correct forms of the Arabic names of reptiles and mammals, and general notes on transliteration and the use of diacritical points
Correspondence between James & Hodder and Geoffrey Marr Vevers regarding the collection of mammals and birds from the Philadelphia Zoo which arrived on the S.S.Sofie Bakke for the Zoological Society of London
Letters from Sir Harry Hamilton Johnston to Philip Lutley Sclater regarding posts open at the Foreign Office for the consular department, the Kilimanjaro Expedition, papers on birds, mammals and insects from Kilimanjaro, medals to be awarded for services to zoology, animals and specimens sent by Mr Johnston to the Zoological Society of London, drawings of animals, a visit to the gardens of the Zoological Society of London by the Katikiro of Uganda and his party, and his election as a member of the Council and attendance at meetings, and the Zoological Club
Correspondence with Geoffrey Marr Vevers regarding queries about mammals such as an offer of a Lioness for mating, the measurements of Camels, Toto the Lesser Kudu, Mink breeders, Monkeys from East Africa, Quaggas, the gestation period of a Giraffe, Horned Hares, and domesticating the Paca and Capybara
Letters from Edmund Ruppell, a German citizen from Frankfort, giving appreciation for receipt of his diploma as a foreign member of the Zoological Society of London, Proceedings of the Zoological Society of London, comments on his discoveries such as a new variety of Gasteropod, a list of mammals and birds 'our museum wishes to get from England' receipt of the 1934 Proceedings, the first volume of museum catalogue, and his wish to complete the exchange