Columbia subject headings:
Cities and towns--France.
Cities and towns--Germany--North Rhine-Westphalia.
France--Relations--Germany (West)
Germany (West)--Relations--France.
Harvard subject headings:
Princeton subject headings:
Cities and towns--France.
Cities and towns--Germany (West)--North Rhine-Westphalia.
France--Relations--Germany (West)
Germany (West)--Relations--France.