Fundamental Principles of the Metaphysics of Morals

On perpetual peace

Groundwork of the metaphysics of morals

Observations on the feeling of the beautiful and sublime and other writings

Observations on the Feeling of the Beautiful and Sublime and Other Writings Cambridge Texts in the History of Philosophy

The Critique of Practical Reason

Critique of the Power of Judgment

Kritik der praktischen Vernunft

Kritik der reinen Vernunft

The Critique of Pure Reason

Critique of Pure Reason