- Faber and Faber, London, (1929)
- The Philosophy of Karl Popper, 1, Open Court, La Salle, IL, (1974)
- Journal of Statistical Software 24(7):1--36 (Dec 25, 2007)
- Princeton University Press, Princeton, NJ, (1963)
- American Journal of Political Science 33(4):842--877 (November 1989)
- Annual Review of Sociology 26(1):187--214 (August 2000)
- On geopolitics: Classical and nuclear, Nijhoff, Dordrecht, (1985)
- American Behavioral Scientist 44(10):1679--1696 (June 2001)
- Environment and Planning A 32(3):411--426 (2000)
- Cambridge University Press, Cambridge, (2000)
- American Political Science Review 85(4):1216--1237 (December 1991)
- Entrepreneurship: Theory and Practice 24(2):45--65 (Winter 1999)
- Academy of Management Executive 13(1):36--42 (February 1999)
- Strategic Management Journal 23(10):1123--1140 (December 2002)
- European Journal of International Relations 9(4):491--542 (December 2003)
- Mohr, Tübingen, (1925)
- Mohr, Tübingen, (1934)
- G. Allen \& Unwin, London, (1930)
- J.C.B. Mohr Paul Siebeck, Tübingen, (1920)
- National Defense University Press, Washington, DC, (1988)


user