Columbia subject headings:
Church decoration and ornament--Germany--Xanten--Congresses.
Premonstratensians--Germany--History--Congresses.
Stift Xanten--History--Congresses.
Xanten (Germany)--Church history--To 1500--Congresses.
Harvard subject headings:
Church decoration and ornament--Germany--Xanten--Congresses.
Premonstratensians--Germany--History--Congresses.
Stift Xanten--History--Congresses.
Xanten (Germany)--Church history--To 1500--Congresses.
Princeton subject headings: