- History & the Development of the Idea of History 1977
- “History and the Development of the Idea of History in Antiquity,” History and Theory 16 (1977), 280-296.
- Hellenistic Thinking about Art 1978
- “Hellenistic Thinking about Art,” Southern Journal of Philosophy 16 (1978), 235-246.
- Doctrina in Augustine 1984
- “Doctrina in Augustine’s De doctrina christiana,” Philosophy and Rhetoric 17 (1984), 98-120
- Knowedge as Vision 1995
- “Knowledge as Vision in Plato’s Dialogues,” Journal of Neoplatonic Studies 3 (1995), 61-89.
- State of the Question 1996
- “The State of the Question in the Study of Plato,” Southern Journal of Philosophy 34 (1996), 507-32; reprinted Smith, Nicholas D, ed., Plato: Critical Assessments. London: Routledge, 1998. Vol. I: 309-32; Russian translation in Платоновский сборник (Platonic Papers), edited by Irina Protopopova. Moscow, 2013. Vol. I, pp. 8-47.
- Digital Transitions 2012
- “Digital Transitions,” Journal of the History of Philosophy 50 (2012), 471-76.
- “Early, Middle, and Late Platonic Provocation: Comments on Miriam Byrd’s “When the Middle Comes Early,” Proceedings of the Boston Area Colloquium on Ancient Philosophy 28 (2012), 210-16.
