Columbia subject headings:
Aesthetics, Modern--20th century.
Arts, American--20th century.
Arts, American.
Avant-garde (Aesthetics)--United States.
Harvard subject headings:
Aesthetics, Modern--20th century.
Arts, American--20th century
Arts, American--20th century.
Arts, American.
Avant-garde (Aesthetics)--United States.
Princeton subject headings: