Columbia subject headings:
Arts, Modern--20th century.
Arts--Political aspects.
Avant-garde (Aesthetics)--History--20th century.
Modernism (Art)
Harvard subject headings:
Arts, Modern--20th century
Arts--Political aspects
Avant-garde (Aesthetics)--History--20th century.
Modernism (Art)
Princeton subject headings:
Arts, Modern--20th century.
Arts--Political aspects.
Avant-garde (Aesthetics)--History--20th century.
Modernism (Art)