Columbia subject headings:
Cities and towns--Europe--History--Congresses.
Cities and towns--Growth--Congresses.
Urban renewal--Congresses.
Harvard subject headings:
Cities and towns--Europe--History--Congresses
Cities and towns--Growth--Congresses
Sociology, Urban--Europe--History--Congresses.
Urban renewal--Congresses
Princeton subject headings:
Cities and towns--Europe--History--Congresses.
Cities and towns--Growth--Congresses.
Sociology, Urban--Europe--History--Congresses.
Urban renewal--Congresses.