- Lion's Roar of Queen Srimala
- The Buddhist Tantras: Light on Indo-Tibetan Esotericism
- Yoga of the Guhyasamajatantra: The Arcane Lore of Forty Versus, a Buddhist Tantra Commentary (Buddhist Tradition Series, Vol 17) (Buddhist Tradition Series, Vol 17)
- Introduction to the Buddhist Tantric Systems (Buddhist Tradition Series, Vol 20)
- The Enlightenment of Vairocana : Book I, Study of the Vairocanabhisambodhitantra & Book II, Study of the Mahavairocana-Sutra (Buddhist Tradition Series Vol.18)