- Encyclopaedia of Indian Philosophies: v. XII: Yoga: India's Philosophy of Meditation
- India's Agony over Religion (Suny Series in Religious Studies)
- Classical Samkhya: An interpretation of its History and Meaning
- The Encyclopedia of Indian Philosophies, Volume 4: Samkhya, a Dualist Tradition in Indian Philosophy: Samkhya, a Dualist Tradition in Indian Philosophy
- Myth in Indo-European Antiquity








