Columbia subject headings:
Art, Modern--20th century.
Art--Philosophy.
Avant-garde (Aesthetics)--History--20th century.
Manzoni, Piero, 1933-1963--Criticism and interpretation.
Harvard subject headings:
Art, Modern--20th century
Art--Philosophy
Avant-garde (Aesthetics)--History--20th century.
Manzoni, Piero, 1933-1963--Criticism and interpretation.
Princeton subject headings:
Art, Modern--20th century.
Art--Philosophy.
Avant-garde (Aesthetics)--History--20th century.
Manzoni, Piero, 1933-1963--Criticism and interpretation.