Columbia subject headings:
Harvard subject headings:
Art, German--Germany--Düsseldorf--20th century--Exhibitions.
Art, German--Germany--Düsseldorf--Exhibitions.
Art, Modern--20th century--Germany--Düsseldorf--Exhibitions.
Artists--Germany--Düsseldorf--Biography.
Dix, Otto, 1891-1969--Exhibitions.
Düsseldorf (Germany)--Biography.
Princeton subject headings:
Art, German--Germany (West)--Düsseldorf--Exhibitions.
Art, Modern--20th century--Germany (West)--Düsseldorf--Exhibitions.
Artists--Germany (West)--Düsseldorf--Biography.
Dix, Otto, 1891-1969--Exhibitions.
Düsseldorf (Germany)--Biography.