Selected Publications

Books

Norms of Liberty: A Perfectionist Basis for Non-Perfectionist Politics (Pennsylvania State University Press, 2005), xviii + 358 pp., coauthored.

Liberalism Defended: The Challenge of Post-Modernity (Edward Elgar, 1997), viii + 85 pp., coauthored.

Liberty for the Twenty-First Century: Contemporary Libertarian Thought (Rowman & Littlefield, 1995), xiii + 387 pp, co-edited.

Liberty and Nature: An Aristotelian Defense of Liberal Order (Open Court, 1991), xvi +268 pp., coauthored.

Articles

"Liberalism in Retreat," The Review of Metaphysics 62.4 (June 2009), 875-908, coauthored.

"The Importance of Metaphysical Realism for Ethical Knowledge," Social Philosophy & Policy 25.1 (Winter 2008); 56-99.

"Human Flourishing and the Appeal to Human Nature," Social Philosophy and Policy 16 (Winter 1999), 1-43.

“The Significance for Cognitive Realism of the Thought of John Poinsot,” American Catholic Philosophical Quarterly 68 (Summer 1994), 409–24.

" Liberalism and Natural End Ethics," American Philosophical Quarterly 27 (April 1990), 153-61.

" Quine and Aristotelian Essentialism," The New Scholasticism 58 (Summer 1984), 316-35.

" Logical Possibility: An Aristotelian Essentialist Critique," The Thomist 47 (October 1983), 513-40.

"Aristotle and the Defense of the Law of Contradiction," The Personalist 54 (Spring 1973), 149-62.