Columbia subject headings:
Cities and towns--Germany (West)--Congresses.
Cities and towns--Poland--Congresses.
Local government--Germany (West)--Congresses.
Local government--Poland--Congresses.
Urbanization--Germany (West)--Congresses.
Urbanization--Poland--Congresses.
Harvard subject headings:
Cities and towns--Germany (West)--Congresses.
Cities and towns--Poland--Congresses.
Local government--Germany (West)--Congresses.
Local government--Poland--Congresses.
Urbanization--Germany (West)--Congresses.
Urbanization--Poland--Congresses.
Princeton subject headings: