Columbia subject headings:
Age discrimination--United States.
College teachers--Retirement.
College teachers--United States--Retirement.
Retirement, Mandatory.
Universities and colleges--United States--Faculty--Retirement.
Harvard subject headings:
Age discrimination--United States.
College teachers--Retirement--United States.
College teachers--United States--Retirement.
Universities and colleges--Faculty--Retirement--United States.
Universities and colleges--United States--Faculty--Retirement.
Princeton subject headings:
College teachers--Retirement.
Retirement, Mandatory--United States.