Columbia subject headings:
Harvard subject headings:
Kant, Immanuel, 1724-1804
Nietzsche, Friedrich Wilhelm, 1844-1900
Philosophy, Modern--18th century.
Philosophy, Modern--19th century.
Princeton subject headings:
Kant, Immanuel, 1724-1804.
Nietzsche, Friedrich Wilhelm, 1844-1900.
Philosophy, Modern--18th century.
Philosophy, Modern--19th century.