Columbia subject headings:
Ethics, Modern--18th century.
Happiness.
Kant, Immanuel, 1724-1804--Ethics.
Harvard subject headings:
Ethics, Modern--18th century.
Happiness
Kant, Immanuel, 1724-1804--Ethics.
Princeton subject headings:
Ethics, Modern--18th century.
Happiness.
Kant, Immanuel, 1724-1804--Ethics.