Columbia subject headings:
Painting, German--Germany--Cologne--Exhibitions.
Painting, Gothic--Germany--Cologne--Exhibitions.
Painting--Germany--Cologne--16th century--Exhibitions.
Painting--Germany--Cologne--Exhibitions.
Wallraf-Richartz-Museum--Exhibitions.
Harvard subject headings:
Painting, German--Germany--Cologne--Exhibitions.
Painting, Medieval--Germany--Cologne--Exhibitions.
Painting--16th century--Germany--Cologne--Exhibitions.
Painting--Germany--Cologne--Exhibitions.
Wallraf-Richartz-Museum--Exhibitions.
Princeton subject headings:
Painting, German--Germany--Cologne--Exhibitions.
Painting, Medieval--Germany--Cologne--Exhibitions.
Painting--16th century--Germany--Cologne--Exhibitions.
Painting--Germany--Cologne--Exhibitions.
Wallraf-Richartz-Museum--Exhibitions.