Key points are not available for this paper at this time.
The American professoriate is enormously differentiated by discipline and type of institution on such primary dimensions of professionalism as patterns of work, identification, authority, career, and association. Integration across the professoriate no longer comes primarily from similarity of function and common socialization, but from the overlap of subcommunities and the mediating linkages provided by the ties of discipline and institution.
Cole et al. (Fri,) studied this question.