Correspondence between the British Museum (Natural History) and Geoffrey Marr Vevers regarding a parcel containing fleas sent by Dr J Joff, USSR, reindeer breeding in northern Sweden, a case of Snowy Owls, the skin of a Ringed Penguin, the skull belonging to the White Tayra, a Spider Monkey brought by Webb from British Guiana, and a specimen of the barbel, Barbus barbus
Correspondence between the Royal Society of Ireland and George Soper Cansdale regarding an exchange of Brown Pelicans and Canadian Black Bear cubs for Giraffes or a Camel
Letters from Christian Gottfried Ehrenberg, Secretary of Carolinische Akademie de Naturforsche, acknowledging receipt of the Proceedings of the Zoological Society for 1830-31
Letters from A de Borre of the Musee Royal d'Histoire Naturelle Brussels, to Philip Lutley Sclater
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
Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding the Staff Relations Committee and the Men's Association, Committee and Council meetings, a pension scheme for staff of the Zoological Society of London and possible Trade Union objections to volunteer painting
Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding Landsborough Thomson's nomination as Chairman of the Executive Committee of the Council for Nature, Scientific Meetings, references for Aves, and the lists of arrivals in the Gardens
Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding Fellows of the Zoological Society of London, a list of people with a scientific interest in Tuberculosis and the Annual Meeting of the International Union of Directors of Zoological Gardens
Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding the publication 'Afrika' by Emil Schulthess
Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding visit by Landsborough Thomson to Naples and Rome