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"The Puzzle of Alfarabi's Parallel Works," 77 Review of Politics 519-543 (2015).

"Navigating the Space Between Dueling Sovereigns," 29 Touro Law Review 263-273 (2013).

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(With Roady, Celia A.) "Advocacy by 501(c) Organizations: Playing within the Rules," Tax Exempt Organizations: An Advanced Course, ALI-ABA Course of Study Materials, Oct. 13-14, 2011. Chicago: ALI-ABA, 2011.

"When Statutory Regimes Collide: Will Citizens United and Wisconsin Right to Life Make Federal Tax Regulation of Campaign Activity Unconstitutional?,"" 13 University of Pennsylvania Journal of Constitutional Law 867-930 (2011).

"Theocracy in America: Should Core First Amendment Values Be Permanent?" 37 Hastings Constitutional Law Quarterly 65-127 (2009).

"Campaign Speech and Contextual Analysis," 6 First Amendment Law Review 100-141 (2007).

"Emerging Constitutional Paradigms and Justifications for Campaign Finance Regulation: The Case of 527 Groups." 95 Georgetown Law Journal 1181-1245 (2007).

"Fundamentals of the Law: Medieval and Modern," in Adaptations and Innovations: Studies on the Interaction between Jewish and Islamic Thought and Literature from the Early Middle Ages to the Late Twentieth Century, Dedicated to Professor Joel L. Kraemer, pages 109-135. Ed. by Y. Tzvi Langermann and Josef Stern. Leuven, Belgium : Peeters Pub., 2007.

"Vision Service Plan v. U.S.: Implications for Campaign Activities of 501(c)(4)s." 53 Exempt Organization Tax Review, no. 2, p. 165-173 (August, 2006).

"The Moral Status of Teaching and Writing." in Enlightening Revolutions: Essays in Honor of Ralph Lerner, 3-21, edited by Svetozar Minkov. Lanham, MD: Lexington Books, 2006.

"Civic Renewal and the Regulation of Nonprofits." 13 Cornell Journal of Law and Public Policy 289-404 (2004).

"The Middle Way: What Contemporary Liberal Legal Theorists can Learn from Aristotle." in Aristotle and Modern Politics: The Persistence of Political Philosophy 233. Edited by Aristide Tessitore. Notre Dame: University of Notre Dame Press, 2002.

"Back to the Future: Ralph Lerner's Political Thought."  In Leo Strauss, the Straussians, and the American Regime 283. Edited by Kenneth L. Deutsch & John A. Murley. Lanham, MD: Rowman & Littlefield, 1999.

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(With Colvin, Greg). "ABA Members Suggest Guidance on Political Activity by Exempts." Tax Analysts' Daily Tax Highlights and Documents 5210-5211 (Dec. 29, 1995).

"Activism and Restraint: The Evolution of Harlan Fiske Stone's Judicial Philosophy." 70 Tulane Law Review 137-186 (1995).

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(with Galston, William). "Reason, Consent and the U.S. Constitution: Bruce Ackerman's We the People." 104 Ethics 446-466 (1994).

"Taking Aristotle Seriously: Republican-Oriented Legal Theory and the Moral Foundation of Deliberative Democracy." 82 California Law Review 329-388 (1994).

"Lobbying and the Public Interest: Rethinking the Internal Revenue Code's Treatment of Legislative Activities." 71 Texas Law Review 1269-1354 (1993).

"The Theoretical and Practical Dimensions of Happiness as Portrayed in the Political Treatises of Al-Farabi." In The Political Aspects of Islamic Philosophy 95. Edited by Charles E. Butterworth. Cambridge, MA: Harvard University Press, 1992.

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"Al-Farabi et la Logique Aristotelicienne Dans la Philosophie Islamique." In Aristote Aujourd'hui 192. Edited by Allal Sinaceur. Toulouse: Eres ; Paris: Unesco, 1988.

(with Chiechi, Carolyn P.). "Impact of the 1986 Tax Reform Act on Exempt Organizations." 66 Journal of Taxation 344-348 (1987).

"Public Policy Constraints on Charitable Organizations." 3 Virginia Tax Review 291-322 (1984).

"Aristotle's Dialectic, Refutation, and Inquiry." 21 Dialogue (Canadian Philosophical Review) 79 (1982).

"Al-Farabi on Aristotle's Theory of Demonstration." In Islamic Philosophy and Mysticism 23. Edited by Parviz Morewedge. Delmar, NY: Caravan Books, 1981.

"Realism and Idealism in Avicenna's Political Philosophy." 41 Review of Politics 561 (1979).

"Maimonides: Philosopher-King v. Prophet." 8 Israel Oriental Studies 150 (1978).

"The Purpose of the Law According to Maimonides." 69 Jewish Quarterly Review 27 (1978).

Reprinted in Maimonides: A Collection of Critical Essays 215. Edited by Joseph A. Buijs. Notre Dame: University of Notre Dame Press, 1988.

"A Re-examination of Al-Farabi's Neoplatonism." 15 Journal of the History of Philosophy 13 (1977).


"527 Groups and Campaign Finance: The Language, Logic, and Landscape of Campaign Finance Regulation." GWU Law School Public Law Research Paper No. 156. (Sept. 2005). Available at SSRN: