Putnam RD. Western Summitry in the 1990s: American Perspectives. International Spectator [Internet]. 1994;29(2):81-93. Website

Putnam RD. Institutional Change in Italy: The First Two Decades. In: Harbeson JW, Hopkins RF, Smith DG Responsible Governance: The Global Challenge (Essays in honor of Charles E. Gilbert). New York: University Press of America; 1994. p. 121-176.