Columbia subject headings:
Enlightenment.
German literature--18th century--History and criticism.
Philosophy in literature.
Philosophy, German--18th century.
Romanticism.
Harvard subject headings:
Enlightenment
Literature--18th century--History and criticism.
Literature--19th century--History and criticism.
Literature--Philosophy
Philosophy, German--18th century.
Philosophy, German--19th century.
Philosophy, Modern--18th century.
Philosophy, Modern--19th century.
Romanticism
Princeton subject headings:
Enlightenment.
German literature--18th century--History and criticism.
Philosophy in literature.
Philosophy, German--18th century.
Romanticism.