Columbia subject headings:
Columbia University--History.
Harvard University--History.
Princeton University--History.
Universities and colleges--United States.
Yale University--History.
Harvard subject headings:
Columbia University--History.
Harvard University--History.
Princeton University--History.
Universities and colleges--United States.
Yale University--History.
Princeton subject headings:
Columbia University--History.
Harvard University--History.
Princeton University--History.
Universities and colleges--United States.
Yale University--History.