- Ex Uno Plura: State Constitutions and Their Political Cultures (Suny Series in American Constitutionalism)
- Toward a North American Legal System
- Diplomats Without a Country: Baltic Diplomacy, International Law, and the Cold War (Contributions to the Study of World History)
- Bertrand Russell on Nuclear War, Peace, and Language: Critical and Historical Essays
- The Senate and the People of Canada: A Counterintuitive Approach to Reform of the Senate of Canada