Columbia subject headings:
Harvard subject headings:
Christianity and other religions--Judaism--Congresses
Judaism--Relations--Christianity--Congresses
Religious disputations--Europe--History--To 1500--Congresses.
Religious pluralism--Europe--History--To 1500--Congresses.
Princeton subject headings:
Church and state--Europe--History--Congresses.
Cities and towns, Medieval--Religious life--Europe--Congresses.