Michelis E. A History of Modern Yoga: Patañjali and Western esotericism

London: Continuum, 2005. — xvii, 282 p.
A History of Modern Yoga traces the roots of Modern Yoga back to the spread of western esoteric ideas in 18th century Bengal's intellectual circles. In due course Raja Yoga, published by Vivekananda in 1896, became the seminal text of Modern Yoga.Roots of Modem Yoga
The religious foundations of Modem Yoga
Vivekananda and the emergence of Neo-Vedantic occultism
"God-realization" and "Self-realization" in Neo-Vedanta
Vivekananda's Raja Yoga (1896): Modem Yoga formulated
Twentieth-century developments of Modem Yoga
Theory and practice of Iyengar Yoga
Conclusion: Modem Postural Yoga as healing ritual of secular religion