Yoga:

Ashtanga Yoga Research Institute, Mysore (India)

Saraswathi Jois

Shakti Sharanam Yoga Shala & website of Annie Pace, Crestone (CO, USA)

Ashtanga Yoga

Sadvidya Foundation, USA & India

Haidakhandi Universal Ashram, Crestone (CO, USA)

Sri Mahavatar Haidakhan Babaji's Online Ashram

 

Asana:

"Yoga Mala", Sri K. Pattabhi Jois

"Ashtanga Yoga Anusthana", R. Sharath Jois

"Ashtanga Yoga Series 1-4", Lino Miele

"Moola Bandha - The Master Key", Swami Buddhananda

"Asana - Pranayama - Mudra Bandha", Swami Satyananda Saraswati

 

Philosophy:

"The Sacred Tradition of Yoga", Dr. Shankaranarayana Jois

"Yogabhumika", Dr. Shankaranarayana Jois

"The Yogis Roadmap: Patanjali's Yoga Sutras as a Journey to Self Realization", Bhavani Silvia Maki

"The Yoga Sutras of Patanjali", Edwin Bryant

"Srimad Devibhagavata Puranam" (Sanskrit Text with English Translation in two volumes), published by Eastern Book Linkers, Delhi. 

 

Good reads:

"Guruji: A Portrait of Sri K. Pattabhi Jois through the eyes of his students" by Guy Donahaye and Eddie Stern

"Strength & Grace: a collection of essays by women Ashtanga Yoga teachers" by Ekaminhale