Columbia subject headings:
Christian art and symbolism--Germany--Cologne.
Church decoration and ornament--Germany--Cologne.
Kölner Dom.
Mural painting and decoration--Germany--Cologne.
Painting, Medieval--Germany--Cologne.
Harvard subject headings:
Christian art and symbolism--Germany--Cologne.
Church decoration and ornament--Germany--Cologne.
Kölner Dom.
Mural painting and decoration--Germany--Cologne.
Painting, Medieval--Germany--Cologne.
Princeton subject headings:
Christian art and symbolism--Germany--Cologne.
Church decoration and ornament--Germany--Cologne.
Kölner Dom.
Mural painting and decoration--Germany--Cologne.
Painting, Medieval--Germany--Cologne.