Sri K. Pattabhi Jois (1999 - 1st English edition): Yoga Mala. Eddie Stern/Patanjali Yoga Shala.
Lino Miele (1994): Ashtanga Yoga. Lino Miele.
John Scott (2000): Ashtanga Yoga - The definitive Step-by-Step Guide to Dynamic Yoga. Three Rivers Press.
Patanjali's Yoga Sutras (ca. 200 b.c.). Many publications :
Swami Satyananda Saraswati (2000). Four Chapters on Freedom. Yoga Publications Trust. Munger, Bihar, India.
B.K.S. Iyengar (1996): Light on the Yoga Sutras of Patanjali. Thorsons.
M. Govindan (2000). Kriya Yoga Sutras of Patanjali and the Siddhas. Babaji´s Kriya Yoga Order of Acharyas Trust. Bangalore, India.
TKV Desikachar (2003). Reflections on Yoga Sutras of Patanjali. Krishnamacharya Yoga Mandiram. Chennai, India.