Papers, 1930-1988, of Alexander Swan (formerly Alexander Lebedeff), including general correspondence relating to his career appointments and leukaemia research, 1959-1974; reports and associated correspondence relating to conferences attended by Swan, notably concerning leukaemia, haematology and fibrinolysis, including a paper delivered in 1962 at a Congress of the Society of Haematology in Mexico by Swan entitled, 'A study of fifty cases of acute leukaemia in adults'; notes on individual cases of acute leukaemia in adults at St James Hospital, Balham, London, [1952-1964]; article by Swan entitled 'Ossification in the metastases of a carcinoma of the rectum', [1953]; offprints of articles contributed by Swan and others to professional journals and conferences, mainly relating to leukaemia research, 1937-1971; notebook of Swan's work at the laboratory of the Department of Pathology, University of Hong Kong, [1936-1938]; papers relating to Swan's earlier career in engineering, 1930-1936, including offprints of articles by Swan on the use of concrete beams, methods of calculating building stresses and soil technology, published in Engineering and Commerce and China Reconstruction and Engineering Review ; certificates and diplomas, including comprising Diploma in Civil and Railway Engineering certificate, Harbin Polytechnic Institute, China, 1930, and admission as a Fellow of the Royal College of Pathologists, 1971; notes prepared for Swann's obituary by his wife, 1980; Dr Alexander Swan: from Siberia to suburbia edited by Barbara Ellis (Call Print Cooperative Ltd, 1988); two photographs of Swan, 1950 and later.