Over 4000 references to books, journal articles (medical and nonmedical), and doctoral dissertations that appeared between 1750-1975. Excludes biographical dictionaries, newspaper items, information from history of medicine textbooks, and letters-to-the-editor. Comprehensive coverage for American literature and representative for international literature. Citations arranged geographically under broad headings, e.g., Specialties, Missionary activity, Wartime activity, and Fiction. Entry gives bibliographical information and annotation. Author, subject, and personal name indexes. Appendixes of directories and special library collections.