- The Right Opposition: The Lovestoneites and the International Communist Opposition of the 1930's
- Presidents of Central America, Mexico, Cuba, and Hispaniola: Conversations and Correspondence
- International Trotskyism, 1929-1985: A Documented Analysis of the Movement
- Venezuela's Voice for Democracy: Conversations and Correspondence with Romulo Betancourt
- Maoism in the Developed World





























