Columbia subject headings:
Art criticism.
Art, Abstract.
Arts, Modern--20th century.
Harvard subject headings:
Art criticism.
Art, Abstract
Arts, Modern--20th century
Princeton subject headings:
Art, Abstract--Criticism and interpretation.
Art, Abstract--Philosophy.
Art, Abstract--Themes, motives.
Arts, Modern--20th century--Criticism and interpretation.
Arts, Modern--20th century--Philosophy.
Arts, Modern--20th century--Themes, motives.