Raja-Yoga & Patanjali Yoga-Sutra by Swami Vivekananda
The Yoga Sutras of Patanjali: Commentary on the Raja Yoga Sutras by Sri Swami Satchidananda
The Science of Breathing
The Upanishads
The Yoga Sutras of Patanjali
The Incredible Life of a Himalayan Yogi: The Times, Teachings and Life of Living Shiva: Baba Lokenath Brahmachari
Lectures on the Bhagavad Gita (Annotated Edition)
The Bhagavad Gita (Classics of Indian Spirituality)
Kriya Yoga by Swami Yogananda (1930)