Columbia subject headings:
Dix, Otto, 1891-1969--Exhibitions.
Kunstmuseum Düsseldorf. Graphische Sammlung--Exhibitions.
World War, 1914-1918--Art and the war--Exhibitions.
Harvard subject headings:
Dix, Otto, 1891-1969--Exhibitions.
Kunstmuseum Düsseldorf. Graphische Sammlung--Exhibitions.
War in art--Exhibitions
World War, 1914-1918--Art and the war--Exhibitions
Princeton subject headings:
Dix, Otto, 1891-1969--Exhibitions.
Kunstmuseum Düsseldorf. Graphische Sammlung--Exhibitions.
World War, 1914-1918--Art and the war--Exhibitions.