政治理論専門家ジョン・ガネル(John G. Gunnell)に依拠した方法を用いて、国際関係論の歴史（特に第二次世界大戦以前）の再検討を中心課題としている。
単著
The Political Discourse of Anarchy: A Disciplinary History of International Relations, (SUNY Press, 1998).
編著
International Relations and the First Great Debate, Routeledge, 2012.
共編著
Imperialism and Internationalism in the Discipline of International Relations, co-edited with David Long, (State University of New York Press, 2005).
論文
"The Historiography of Academic International Relations", Review of International Studies, vol. 20, no. 4 (1994).
"Lessons from the Past: Reassessing the Interwar Disciplinary History of International Relations", International Studies Quarterly, vol. 42, no. 3 (1998).
"Together Again: Reuniting Political Theory and International Relations Theory", British Journal of Politics and International Relations, vol. 4, no. 1 (2002).
"Anarchy, World Politics and the Birth of a Discipline: American International Relations, Pluralist Theory and the Myth of Interwar Idealism", International Relations, vol. 16. no. 1 (2002).
"Realism as Tragedy", Review of International Studies, vol. 30, no. 3 (2004).
