Columbia subject headings:
Ethics, Modern--18th century--Congresses.
Ethics.
Kant, Immanuel, 1724-1804--Congresses.
Harvard subject headings:
Ethics, Modern--18th century--Congresses.
Kant, Immanuel, 1724-1804--Contributions in ethics--Congresses.
Princeton subject headings:
Ethics, Modern--18th century--Congresses.
Kant, Immanuel, 1724-1804.