Columbia subject headings:
Central business districts--Congresses.
Cities and towns--Congresses.
Inner cities--Congresses.
Suburbs--Congresses.
Urban renewal--Congresses.
Harvard subject headings:
Central places--Congresses.
Cities and towns--Growth--Congresses
Suburbs--Congresses.
Princeton subject headings:
Cities and towns--Congresses.
Cities and towns--Europe--Case studies--Congresses.
Cities and towns--United States--Case studies--Congresses.
Suburbs--Congresses.
Urbanization--Congresses.