- A History of Russian Thought: From the Enlightenment to Marxism
- Legal Philosophies Of Russian Liberalism: Philosophy
- Stanislaw Brzozowski and the Polish Beginnings of 'Western Marxism'
- The Controversy over Capitalism: Studies in the Social Philosophy of the Russian Populists
- Marxism and the Leap to the Kingdom of Freedom: The Rise and Fall of the Communist Utopia