Primitive Soul States; Astral Religious Experiences And Heavens And Hells

Fourteen Lessons in Yogi Philosophy and Oriental Occultism

Advance Course in Yogi Philosophy and Spiritual Development

The Astral World And Its Helpers

The Science of Breath: A Complete Manual of the Oriental Breathing Philosophy of Physical, Mental, Psychic and Spiritual Development

Yoga of Wisdom

Hatha Yoga: The Purification Path to Kaivalya

Series of Lessons in Raja Yoga

Hatha Yoga

Raja Yoga: The Royal Path to Self-Realization