Columbia subject headings:
Art--Germany--Cologne--Catalogs.
Art--Rhine River Valley--Catalogs.
Christian art and symbolism--Germany--Catalogs.
Schnütgen-Museum--Catalogs.
Harvard subject headings:
Art, German--Germany--Rhineland.
Art--Germany--Cologne.
Schnütgen-Museum
Princeton subject headings:
Christian art and symbolism--Germany--Rhineland.
Christian art and symbolism--Medieval, 500-1500--Germany--Rhineland.
Schnütgen-Museum--Catalogs.