Columbia subject headings:
Harvard subject headings:
Art patronage--Germany--Cologne--History.
Artists and patrons--Germany--Cologne.
Catholic Church--In art.
Painting, Gothic--Germany--Cologne.
Painting, Renaissance--Germany--Cologne.
Panel painting, High Gothic--Germany--Cologne.
Princeton subject headings:
Artists and patrons--Germany--Cologne.
Catholic Church--In art.
Panel painting, High Gothic--Germany--Cologne.