Columbia subject headings:
Hume, David, 1711-1776.
Kant, Immanuel, 1724-1804.
Harvard subject headings:
Ethics--History
Hume, David, 1711-1776
Kant, Immanuel, 1724-1804
Princeton subject headings:
Ethics--History.
Hume, David, 1711-1776.
Kant, Immanuel, 1724-1804.