Columbia subject headings:
City planning--United States--Congresses.
Planned unit developments--United States.
Zoning--United States--Congresses.
Harvard subject headings:
City planning--United States--Congresses
Planned unit developments--United States.
Zoning--United States--Congresses.
Princeton subject headings:
City planning--United States--Congresses.
Planned unit developments--United States.
Zoning--United States--Congresses.