Columbia subject headings:
Harvard subject headings:
Duty--Congresses.
Ethics, Modern--18th century--Congresses.
Kant, Immanuel, 1724-1804. Metaphysik der Sitten--Congresses.
Virtue--Congresses.
Princeton subject headings:
Duty--Congresses.
Ethics--Congresses.
Kant, Immanuel, 1724-1804. Metaphysik der Sitten--Congresses.
Virtue--Congresses.