"Directory of physicians in the United States, Canal Zone, Puerto Rico, Virgin Islands, certain Pacific islands and U.S. physicians temporarily located in foreign countries."
Vols. for 1973-<88> issued in four parts: pt. 1, Alphabetical index of physicians, pts. 2-4, Geographical register of physicians
Special supplement accompanies issue for 1931
Supplemented between editions by: American medical directory update, 1981-