Letters from Carl Jacob Sundevall, Director of the Royal Museum Stockholm, to Philip Lutley Sclater regarding specimens found in the Museum such as Galapagos birds
Correspondence between the British Museum (Natural History) and Sheffield Airey Neave regarding delegates to the Conference on Nature Preservation in Post-War Reconstruction, and a meeting of the Council
Letter from Gavin de Beer of the British Museum (Natural History) regarding Desmond Morris and Congo
Letter to Dr F C Fraser of the British Museum (Natural History) regarding his name being put forward as the Society's representative on the National Committee of Biology
Letters from Alphonse Milne-Edwards, Director of the Menagerie au Museum d'histoire naturelle, to Philip Lutley Sclater
Letters from Wilhelm Carl Hartwig Peters of the Museum Regium Zoologicum, to Philip Lutley Sclater regarding Huxley's paper, a sketch of the plan of the monkey house, plates, specimens in his possession, and his memoirs
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
Letter from the Secretary of the United Services Museum, accompanying two specimens of birds killed in Mexico and of a Scoter killed at Southampton. The letter asks the Zoological Society of London to inspect and return them
Notes and memos including a Report of the Council and Report of the Auditors of the Zoological Society of London read at the Anniversary Meeting, a meeting of naturalists at the British Museum, extracts from letters to Mr Owen, and Edward Turner Bennett's account of Macropus Parryi
Letters from Sir George Clerk to David William Mitchell regarding the Chancellor of the Exchequer and the purchase of a museum collection of the Zoological Society of London