user- Princeton University Press, Princeton, NJ, (1960)
- Princeton University Press, Princeton, NJ, (1963)
- American Political Science Review 90(2):389--397 (June 1996)
- American Political Science Review 47(3):641--657 (September 1953)
- American Political Science Review 65(3):682--693 (September 1971)
- Cambridge University Press, Cambridge, (1999)
- Yale University Press, New Haven, CT, (1968)
- Cornell University Press, Ithaca, (1986)
- American Political Science Review 93(3):501--517 (September 1999)
- Transaction, New Brunswick, NJ, (1980)
- American Journal of Political Science 37(3):747--779 (August 1993)
- American Journal of Political Science 43(3):935--962 (July 1999)
- American Political Science Review 87(4):845--855 (December 1993)
- Westview, Boulder, CO, (1981)
- University Press of America, Washington, DC, (1981)
- Review of International Political Economy 16(2):178--201 (May 2009)
