The Hatha Yoga Pradipika
Swami Swatmarama
The Nature and Practice of Yoga
Annie Besant
The Ethos and Methods of Yoga
Swami Mukerji
The Yoga Science of Breath
Yogi Ramacharaka
The Yoga Sutras of Patanjali: The Book of the Spiritual Man
Maharishi Patanjali
The Raja Yoga: A Series of Lessons
Yogi Ramacharaka
The Yoga of Wisdom: Lessons in Gnani Yoga
Yogi Ramacharaka