Columbia subject headings:
Art, Modern--20th century--Themes, motives.
Literature, Modern--20th century--Themes, motives.
Harvard subject headings:
Art, Modern--20th century--Themes, motives
Literature, Modern--20th century--Themes, motives.
Princeton subject headings:
Art, Modern--20th century--Themes, motives.
Literature, Modern--20th century--Themes, motives.