Columbia subject headings:
Art, Medieval--Catalogs.
Art--Germany--Cologne--Catalogs.
Schnütgen-Museum.
Harvard subject headings:
Art, Medieval--Catalogs
Art--Germany--Cologne--Catalogs.
Princeton subject headings:
Art, Medieval--Catalogs.
Art--Germany (West)--Cologne--Catalogs.
Catalogs.
Schnütgen-Museum.