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NOTE
The first edition of this book was published in India. The second and subsequent editions, revised and enlarged, have been published in the U. S. A.
My thanks are due to Swami Dhirananda, M.A., Swami Satyananda, B.A., and Sj. Tulsinarayan Bose, for various forms of help I have received from them.
Swami Yogananda.
