Columbia subject headings:
Aesthetics, Modern--20th century.
Art, Modern--20th century.
Avant-garde (Aesthetics)
Harvard subject headings:
Aesthetics, Modern--20th century.
Art, Modern--20th century
Avant-garde (Aesthetics)
Princeton subject headings:
Aesthetics, Modern--20th century.
Art, Modern--20th century.
Avant-garde (Aesthetics)