Unended Quest: An Intellectual Autobiography - Paperback

Corroborations and Criticisms. Forays with the Philosophy of Karl Popper - Paperback

From the Hollow of a Sling - Paperback

Lieutenant General Karl Strecker: The Life and Thought of a German Military Man - Hardcover

The Last Years of Karl Marx: An Intellectual Biography - Paperback

Karl Marx: An Illustrated Biography - Paperback

How to Read Karl Marx - Paperback

Karl Marx: An Intellectual Biography - Hardcover

Karl Marx - A Biography - Paperback

Karl Marx - Paperback

Karl Marx: Thoroughly Revised Fifth Edition - Paperback

Karl Marx and the Close of His System - Paperback

Confucianism: An Approach to Education for Morality and Rationality - Paperback

Karl's Passage: Autumnville Series Book 1 - Paperback

Karl Polanyi: The Limits of the Market - Paperback

Karl Brandt: The Nazi Doctor: Medicine and Power in the Third Reich - Hardcover

Karl Marx: A Complete Life from Beginning to the End - Paperback

The Autobiography of Karl Von Dittersdorf - Paperback

Karl Barth: A Life in Conflict - Hardcover

Mostly on the Edge: Karl Hess, an Autobiography - Hardcover

Karl Freund: The Life and Films - Paperback

Karl Kraus: Apocalyptic Satirist, Volume 2: The Postwar Crisis and the Rise of the Swastika - Paperback

Complete Works of Karl Marx (Grapevine edition) - Hardcover