Columbia subject headings:
Harvard subject headings:
Cities and towns, Medieval--Germany--History--16th century--Congresses.
Cities and towns, Medieval--Germany--History--Congresses.
City-states--Germany--History--16th century--Congresses.
City-states--Germany--History--To 1600--Congresses.
Germany--Foreign relations--Congresses.
Municipal government--Public relations--Germany--History--To 1500--Congresses.
Princeton subject headings:
Cities and towns, Medieval--Germany--History--16th century--Congresses.
Cities and towns, Medieval--Germany--History--Congresses.
City-states--Germany--History--16th century--Congresses.
City-states--Germany--History--To 1600--Congresses.
Germany--Foreign relations--Congresses.
Municipal government--Public relations--Germany--History--To 1500--Congresses.