Columbia subject headings:
Land use--Law and legislation--United States.
Land use--United States.
Regional planning--Law and legislation--United States.
Harvard subject headings:
Land use--Law and legislation--United States
Land use--United States
Regional planning--Law and legislation--United States.
Princeton subject headings:
Land use--Law and legislation--United States.
Land use--United States.
Regional planning--Law and legislation--United States.