Directory of medical specialists holding certification by American boards
Contributors: American Board of Medical Specialties
Publisher: Published for the Advisory Board for Medical Specialties by Marquis
Published: 1939
Place of publication: Chicago
Language: eng
Notes: Title varies slightly.

Vol. for 1972/73 called 15th ed.

Vols. for 1970/71-1972/73 published for the American Board of Medical Specialties.