1. Greene and Hudson, eds. 1960.Religion within the Limits of Reason Alone, 19Harper & Row.
2. Gregor, Mary, ed. 1991.The Doctrine of Virtue in The Metaphysics of Morals, 250Cambridge: Cambridge University Press.
3. Beck, Lewis White, ed. 1956.Critique of Practical Reason, 30Indianapolis: Bobbs‐Merrill.