Columbia subject headings:
Art and architecture.
Assemblage (Art)--Germany.
Expressionism (Art)--Germany.
Schwitters, Kurt, 1887-1948. Merzbau.
Harvard subject headings:
Art and architecture.
Assemblage (Art)--Germany.
Expressionism (Art)--Germany
Schwitters, Kurt, 1887-1948. Merzbau.
Princeton subject headings: