Transnational Relations and World Politics, edited with Joseph S. Nye, Jr., (Harvard University Press, 1971).
The New European Community: Decisionmaking and Institutional Change, edited with Stanley Hoffmann, (Westview Press, 1991).
Institutions for the Earth: Sources of Effective International Environmental Protection, co-edited with Peter M. Haas and Marc A. Levy, (MIT Press, 1993).
After the Cold War: International Institutions and State Strategies in Europe, 1989-1991, co-edited with Joseph S. Nye and Stanley Hoffmann, (Harvard University Press, 1993).
Ideas and Foreign Policy: Beliefs, Institutions, and Political Change, co-edited with Judith Goldstein, (Cornell University Press, 1993).