Columbia subject headings:
Harvard subject headings:
Cities and towns, Medieval--Germany--Congresses.
Cities and towns--Germany--History--To 1500--Congresses.
Conflict of laws--Germany--History--To 1500--Congresses.
Municipal government--Germany--History--To 1500--Congresses.
Social conflict--Germany--History--To 1500--Congresses.
Princeton subject headings:
Cities and towns, Medieval--Germany.
City and town life--Germany--History--To 1500.
Social conflict.