1 2 3 4 5 6 7 8 9 10 11 12 Satyananda Giri, Swami, Yogiraj Shyama Charan Lahiri Mahasay, from A Collection of Biographies of 4 Kriya Yoga Gurus, iUniverse Inc. 2006. ISBN 978-0595386758.
1 2 Chatterjee, Ashoke Kumar, Purana Purusha: Yogiraj Sri Shama Churn Lahiri. Yogiraj Publications, 2004. ISBN 81-87563-01-X.
↑ Satyananda, Swami, Yogacharya Shastri Mahasaya: A Short Biographical Sketch of Hamsaswami Kebalanandaji Maharaj.Yoganiketan, 2004.
↑ Satyananda, Swami, Yogacharya Shastri Mahasaya: A Short Biographical Sketch of Hamsaswami Kebalanandaji Maharaj.Yoganiketan, 2004
↑ Kriyananda, Swami: Conversations with Yogananda, page 347. Crystal Clarity Publishers, 2003. ISBN 156589202X
↑ Sri Durga Mata: A Paramhansa Yogananda Trilogy of Divine Love, page 50, copyright Joan Wight, 1992. ISBN 0963583808
↑ Yogananda, Paramahansa: various articles (Praecepta Lessons, Volume 1, by Swami Yogananda, 1934) and recordings (One Life Versus Reincarnation [CD]. ISBN 0876124392).