Among his previous publications are Natural Right and Political Philosophy: Essays in Honor of Catherine Zuckert and Michael Zuckert (Co-edited with Ann Ward). South Bend, IN: University of Notre Dame Press, 2013), John Locke and Modern Life (Cambridge University Press, 2010), The Ashgate Research Companion to Federalism (Co-edited with Ann Ward. Aldershot, UK: Ashgate Publishing Co., 2009), and The Politics of Liberty in England and Revolutionary America (Cambridge University Press, 2004). Dr. Ward has published numerous articles in the areas of the history of political philosophy and American political thought.