Columbia subject headings:
Harvard subject headings:
Bishops--Germany--History--To 1500--Congresses.
Catholic Church--Germany--Bishops--History--To 1500--Congresses.
Dioceses--Germany--History--To 1500--Congresses.
Germany--Church history--843-1517--Congresses.
Princeton subject headings:
Bishops--Germany--History--To 1500.
Catholic Church--Germany--Bishops--History--To 1500.
Dioceses--Germany--History--To 1500.
Germany--Church history--843-1517.