Columbia subject headings:
Harvard subject headings:
Cities and towns, Medieval--Germany
Cities and towns, Medieval--Italy
Germany--History--To 1517
Italy--History--To 1500.
Mainz (Rhineland-Palatinate, Germany)--Church history.
Mainz (Rhineland-Palatinate, Germany)--History--To 1500.
Princeton subject headings:
Cities and towns, Medieval--Germany.
Cities and towns, Medieval--Italy.
Germany--History--To 1500.
Italy--History--To 1500.
Mainz (Rhineland-Palatinate, Germany)--Church history.
Mainz (Rhineland-Palatinate, Germany)--History--To 1500.