Columbia subject headings:
Literature, Modern--19th century--History and criticism.
Literature, Modern--20th century--History and criticism.
Philosophy, Modern--19th century--History.
Philosophy, Modern--20th century--History.
Harvard subject headings:
Literature, Modern--19th century--History and criticism
Literature, Modern--20th century--History and criticism
Philosophy, Modern--19th century--History.
Philosophy, Modern--19th century.
Philosophy, Modern--20th century--History.
Philosophy, Modern--20th century.
Princeton subject headings:
Literature, Modern--19th century--History and criticism.
Literature, Modern--20th century--History and criticism.
Philosophy, Modern--19th century--History.
Philosophy, Modern--20th century--History.