1. Encroachment, charlatanism and the emerging profession: Psychology, sociology, and medicine;Goode;Am. soc. Rev.,1960
2. The elements of professionalization;Greenwood,1966
3. Professions;Parsons;Int. Encycl. soc. Sci.,1968
4. The professionalization of everyone?;Wilensky;Am. J. Sociol.,1964
5. The Marx-Engels Reader;Marx,1978