Columbia subject headings:
City planning--United States.
Parks--Design and construction--Political aspects--United States.
Parks--United States--History.
Harvard subject headings:
City planning--United States--History
Parks--United States--History.
Urban parks--Design and construction--Political aspects--United States.
Urban parks--United States--History.
Princeton subject headings:
City planning--United States.
Parks--Design and construction--Political aspects--United States.
Parks--United States--History.