- Buddhist Philosophy: A Historical Analysis (National Foreign Language Center Technical Reports)
- The Way of Siddhartha: A Life of the Buddha
- History of Buddhist Philosophy: Continuities and Discontinuities (National Foreign Language Center Technical Reports)
- The Principles of Buddhist Psychology (Buddhist Studies)
- A Path of Righteousness: Dhammapada : An Introductory Essay Together With the Pali Text, English Translation and Commentary









