Columbia subject headings:
Collective labor agreements--Teachers--United States.
College teachers--Pensions--United States.
College teachers--Salaries, etc.--United States.
Teachers' unions--United States.
Harvard subject headings:
Collective labor agreements--Education--United States.
College teachers--Salaries, etc.--United States.
Teachers' unions--United States.
Princeton subject headings:
Collective labor agreements--Teachers--United States.
College teachers--Salaries, etc.--United States.
Teachers' unions--United States.