Columbia subject headings:
Harvard subject headings:
College teachers--United States--Social conditions--Statistics.
Educational surveys--United States.
Universities and colleges--United States--Faculty--Statistics.
Princeton subject headings:
College teachers--Tenure--United States.
College teachers--United States--Social conditions--Statistics.
Educational surveys--United States.
Statistics.
Universities and colleges--Faculty--Employment--United States.
Universities and colleges--United States--Faculty--Statistics.