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