1. Cohen A. Arthur , “Mao: the Man and His Policies,” Problems of Communism, 09–10 1966
2. Gelman Harry “Mao and the Permanent Purge,” Problems of Communism, 11–12 1966
3. Kecskemeti Paul entitled “The Future of Totalitarianism,” 03 1964
4. Snow Edgar , January 1965: Washington Post, 02 14, 1965