Yogi Ramacharaka

The Spirit of the Upanishads

Science of Breath

Die Wissenschaft des Atems

Advanced Course in Yogi

La ciencia hindú-yogui de la respiración

Chríostaíocht Mistéireach - Teagasc an Mháistir

The Hindu-Yogi Science of Breath: Adapted for Modern Readers (Unabridged)

Mystical Christianity: The Inner Teachings of the Master

Science of Breath

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

The Yoga Science of Breath

The Raja Yoga: A Series of Lessons