Columbia subject headings:
Cities and towns--Congresses.
City planning--Congresses.
Housing--Congresses.
Urban renewal--Congresses.
Harvard subject headings:
Cities and towns--Congresses
City planning--Congresses
Housing--Congresses
Urban renewal--Congresses
Princeton subject headings:
Community development, Urban--Congresses.
Urban ecology (Sociology)--Congresses.
Urban renewal--Congresses.