1. On the Comparative Study of Communism;Tucker;World Politics,1967
2. Culture and the Comparative Study of Politics, or the Constipated Dialectic;Ward;American Political Science Review,1974
3. Culture and the Comparative Study of Politics, or the Constipated Dialectic;Ward;American Political Science Review,1974
4. ‘Groupism’ in the Post-Stalin Period;Lodge;Midwest Journal of Political Science,1968
5. Social Groups in Polish Society,1972