Columbia subject headings:
Ethics, Modern--18th century.
Kant, Immanuel, 1724-1804.
Philosophy of nature--History--18th century.
Wolff, Christian, Freiherr von, 1679-1754--Ethics.
Harvard subject headings:
Ethics, Modern--18th century.
Kant, Immanuel, 1724-1804
Philosophy of nature--History--18th century.
Wolff, Christian, Freiherr von, 1679-1754--Contributions in ethics.
Princeton subject headings:
Kant, Immanuel, 1724-1804.
Wolff, Christian, Freiherr von, 1679-1754--Criticism and interpretation.
Wolff, Christian, Freiherr von, 1679-1754--Ethics.