Mystic Christianity; Or, The Inner Teachings of the Master

The Doctrine and Practice of Yoga

Including the Practices and Exercises of Concentration, both Objective and Subjective, and Active and Passive Mentation, an Elucidation of Maya, Guru Worship, and the Worship of the Terrible, also the Mystery of Will-Force

A Series of Lessons in Raja Yoga

An Introduction to Yoga

The Hindu-Yogi Science of Breath

The Yoga Sutras of Patanjali

The Book of the Spiritual Man