1. John G. Ruggie, ed., Multilateralism Matters: The Theory and Praxis of an Institutional Form (New York: Columbia University Press, 1993).
2. Michael Howard, “The United Nations: From War Fighting to Peace Planning,” in Ernest May and Angeliki Laiou, eds., The Dumbarton Oaks Conversations and the United Nations, 1944–1994 (Cambridge, Mass.: Harvard University Press, 1998), p. 3.
3. See, among others, Walter Mattli, The Logic of Regional Integration: Europe and Beyond (Cambridge: Cambridge University Press, 1999);
4. and Edward Mansfield and Helen Milner, eds., The Political Economy of Regionalism (New York: Columbia University Press, 1997).
5. See, among others, William Thompson, “The Regional Subsystem: A Conceptual Explication and a Propositional Inventory,” International Studies Quarterly, vol. 17, no. 3 (1973), pp. 89–117;