Columbia subject headings:
American literature--20th century--History and criticism.
Literature, Modern--20th century--History and criticism.
Literature, Modern.
Harvard subject headings:
American literature--20th century--History and criticism
Literature, Modern
Literature, Modern--20th century--History and criticism
Princeton subject headings:
American literature--20th century--History and criticism.
Literature, Modern--20th century--History and criticism.
Literature, Modern.