John C Burnham, How the Idea of Profession Changed the Writing of Medical History, Medical History, Supplement No. 18, London, Wellcome Institute for the History of Medicine, 1998, Pp. Xi, 195, Illus., £32.00, $50.00 (0-85484-067-2). Orders To: Tracy Tillotson, Wellcome Library, 183 Euston Road, London NWI 2BE.