- Plato the Myth Maker
- Einführung in die Philosophie des Mythos, vol. I: Antike, Mittelalter und Renaissance
- Plato's <i>Symposium</i>: Issues in Interpretation and Reception (Hellenic Studies Series)
- Le vocabulaire de Platon
- Neoplatonic Demons and Angels (Studies in Platonism, Neoplatonism, and the Platonic Tradition, 20)