Columbia subject headings:
Germany--Church history--843-1517--Congresses.
Parishes--Germany--History--Congresses.
Harvard subject headings:
Europe--Church history--600-1500--Congresses.
Germany--Church history--843-1517--Congresses.
Parishes--Europe--History--Congresses.
Parishes--Germany--History--Congresses.
Princeton subject headings:
Europe--Church history--600-1500--Congresses.
Parishes--Europe--History--Congresses.