Empire and Community: Edmund Burke's Writings and Speeches on International Relations, co-edited with David P. Fidler, (Westview Press, 1999).
Exporting Good Governance: Temptations and Challenges in Canada's Aid Program, co-edited with Ngaire Woods, (Wilfrid Laurier University Press, 2007).
The United Nations Security Council and War: the Evolution of Thought and Practice since 1945, co-edited with Vaughan Lowe, Adam Roberts and Dominik Zaum, (Oxford University Press, 2008).