Columbia subject headings:
Cities and towns--Europe, Eastern--Congresses.
City and town life--Europe, Eastern--Congresses.
Urban policy--Europe, Eastern--Congresses.
Harvard subject headings:
Cities and towns--Europe, Eastern--Growth--History--20th century--Congresses.
Urban renewal--Europe, Eastern--History--20th century--Congresses.
Urbanization--Europe, Eastern--History--20th century--Congresses.
Princeton subject headings:
Cities and towns--Europe, Eastern--Congresses.
City and town life--Europe, Eastern--Congresses.
Urban policy--Europe, Eastern--Congresses.