Columbia subject headings:
Aesthetics.
Art, Modern--20th century--Psychological aspects.
Art, Modern--20th century--Social aspects.
Art, Modern--20th century--Themes, motives.
Artists--Attitudes.
Arts--Philosophy.
Popular culture--Philosophy.
Harvard subject headings:
Aesthetics
Art, Modern--20th century--Psychological aspects.
Art, Modern--20th century--Social aspects.
Art, Modern--20th century--Themes, motives
Artists--Attitudes.
Arts--Philosophy
Popular culture--Philosophy
Princeton subject headings: