- Karl Marx and the Close of His System
- Exploitation Theory of Socialism-Communism: The Idea That All Unearned Income (Rent, Interest and Profit Involves Economic Injustice)
- Value and Price (Capital and Interest Extract)
- The Positive Theory of Capital
- Capital and Interest (3 volume set): 1. History and Critique of Interest Theories; 2. Positive Theory of Capital; 3. Further Essays on Capital Interest