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———. Critique of Pure Reason. Translated by Norman Kemp Smith. St. Martin's Press: New York, 1929.

———. Groundwork for a Metaphysics of Morals. Translated by H.J. Paton. Harper & Row: New York, 1964.

———. The Philosophy of Kant. Edited by Carl J. Friedrich. Random House, Inc.: New York, 1993.

Kaufmann, Walter. Discovering the Mind: Goethe, Kant, and Hegel. McGraw- Hill Book Company: New York, 1980.

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