Platonic Philosophy, History of Philosophy, Renaissance Philosophy, Ethics, Philosopy of Religion, Political Philosophy, Philosophical Psychology
"Plato's Polypsychic Pantheism," in Monist 1999; "Marsilio Ficino's Platonism" (chapter forthcoming) University of the South 2007; Problems for Democracy (Rodopi 2006); "Essentials of Truth" and "Personal Identity" in Philosophy and Ethics, 2006; "Physics and Philosophy of Non-Equilibrium" (2005); The Virtues of Plato's LAWS (doctoral thesis, Penn, May 1989).