Columbia subject headings:
Art, Romanesque--Germany--Cologne--Exhibitions.
Christian art and symbolism--Germany--Cologne--Medieval, 500-1500--Exhibitions.
Church architecture--Germany--Cologne--Exhibitions.
Church decoration and ornament--Germany--Cologne--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Art metal-work, Romanesque--Exhibitions.
Christian art and symbolism--Medieval, 500-1500--Exhibitions.
Reliquaries, Romanesque--Exhibitions.