Columbia subject headings:
Dix, Otto, 1891-1969--Criticism and interpretation.
Otto-Dix-Haus--Catalogs.
Harvard subject headings:
Art, German--Catalogs.
Art, Modern--20th century--Germany--Catalogs.
Artists--Germany--Biography.
Dix, Otto, 1891-1969--Catalogs.
Princeton subject headings:
Art, German--20th century.
Artists--Germany--Biography.
Dix, Otto, 1891-1969.