Columbia subject headings:
Art and literature.
Art, Modern--20th century.
Art--Philosophy.
Neizvestnyĭ, Ėrnst, 1925-2016.
Socialism and art.
Harvard subject headings:
Princeton subject headings:
Art and literature.
Art, Modern--20th century.
Art--Philosophy.
Neizvestnyĭ, Ėrnst, 1925-2016.