1. 1. Percentage of physicians in general practice and limited specialties by geographic divisions. In: Factual Data on Medical Economics. Chicago, IL, American Medical Association; 1939
2. 2. Haug JN: Federal and nonfederal physicians in United States and possessions by specialty and activity, December 31, 1970. In: Haug JN, Roback GA, Martin BC, eds, Distribution of Physicians in the United States, 1970; Regional, State, County, Metropolitan Areas. Chicago, IL, American Medical Association, 1971
3. 3. Ad Hoc Committee on Education for Family Practice. Meeting the Challenge of Family Practice, Chicago, IL, American Medical Association, 1966
4. 4. Citizens Commission on Graduate Medical Education. The Graduate Education of Physicians. Chicago, IL, American Medical Association, 1966
5. 5. National Commission on Community Health Services. Health is a Community Affair. Cambridge, MA, Harvard University Press, 1966