Columbia subject headings:
Land use--United States.
Urban economics.
Zoning law--Economic aspects--United States.
Zoning--United States.
Harvard subject headings:
Land use--United States
Urban economics.
Zoning law--Economic aspects--United States.
Zoning--United States.
Princeton subject headings:
Land use--United States.
Urban economics.
Zoning law--Economic aspects--United States.
Zoning--United States.