Acton, H. B. New Studies in Ethics: Kant's Moral Philosophy. London: Macmillan and Co., 1970, 71 p.

Critical and historical assessment of Kant's ethical philosophy.

Allison, Henry E. Kant's Theory of Freedom. Cambridge: Cambridge University Press, 1990, 304 p.

Interprets Kant's concept of freedom as it functions in his ethics and moral psychology, and surveys the secondary literature of the subject.

——. "Morality and Freedom: Kant's Reciprocity Thesis." The Philosophical Review 95, No. 3 (July 1986): 393-425.

Explores Kant's view that freedom of the will and the moral law are reciprocal concepts.

Beck, Lewis White. A Commentary on Kant's "Critique of Practical Reason." Chicago: University of Chicago Press, 1960, 308 p.

Study of Kant's second Critique, placing the treatise in its historical context and assessing "the contents of this work on their philosophical merits."

Buchanan, Allen. "Categorical Imperatives and Moral Principles." Philosophical Studies 31, No. 4 (April 1977): 249-60.

Attempts to render compatible seemingly inconsistent statements by Kant regarding the uniqueness and a priori of the categorical imperative.

Jones, Hardy E. Kant's Principle of Personality. Madison: University of Wisconsin Press, 1971, 163 p.

Inquiry into Kant's ethical doctrines, emphasizing the importance of the categorical imperative.

Korsgaard, Christine. "Kant." In Ethics in the History of Western Philosophy, edited by Robert J. Cavalier, James Gouinlock, and James P. Sterba, pp. 201-43. New York: St. Martin's Press, 1989.

Overviews Kant's life and work and places his moral philosophy in the context of his larger transcendental philosophy.

Louden, Robert B. "Kant's Virtue Ethics." Philosophy 61, No. 238 (Oct. 1986): 473-89.

Advances a picture of Kant's moral theory that tempers interpretations of it as an extreme rule of ethics.

McCarty, Richard. "The Limits of Kantian Duty, and Beyond." American Philosophical Quarterly 26, No. 1 (Jan. 1989): 43-52.

Addresses the possibility of a Kantian approach to morality accounting for supererogation.

O'Neill, Onora. Constructions of Reason: Explorations of Kant's Practical Philosophy. Cambridge: Cambridge University Press, 1989, 249 p.

Defends an antifoundationalist, constructivist picture of Kant's moral philosophy against recent objections and would-be Kantian positions.

Paton, H. J. The Categorical Imperative. Chicago: University of Chicago Press, 1948, 283 p.

Elucidates the complex structure of Kant's moral philosophy, focusing on The Metaphysics of Morals.

Reich, Klaus. "Kant and Greek Ethics." Trans. W. H. Walsh. Mind 48, No. 192 (Oct. 1939): 338-54, 446-63.

Explores the legacy of Greek thought (especially Stoicism) in Kant's moral philosophy, particularly as it was disseminated through the Wolffians.

Ross, Sir David. Kant's Ethical Theory: A Commentary on the "Grundlegung zur Metaphysik der Sitten." Oxford: Oxford University Press, 1954, 96 p.

Clarifies the main points of Kant's moral philosophy.

Sedgwick, Sally. "Can Kant's Ethics Survive the Feminist Critique?" Pacific Philosophical Quarterly 71, No. 1 (March 1990): 60-79.

Surveys and evaluates common feminist objections to Kant's groundwork for a metaphysics of morals.

Ward, Keith. The Development of Kant's View of Ethics. Oxford: Basil Blackwell, 1972, 184 p.

Study of Kant's moral philosophy that aims to "put the well-known doctrines in the overall context of Kant's developing philosophy."

Wolff, Robert P. The Autonomy of Reason: A Commentary on Kant's "Groundwork of the Metaphysic of Morals." New York: Harper & Row, 1973, 228 p.

Detailed technical analysis of the argument of the Groundwork.

Additional coverage of Kant's life and career is contained in the following sources published by Gale Research: Dictionary of Literary Biography, Vol. 94.