For permission to use the following selections, grateful acknowledgement and thanks are extended to the following authors and publishers:
P. J. and A. E. Dobell: CENTURIES OF MEDITATION by Thomas Traherne
John Day: MONKEY, translated by Arthur Waley
E. P. Dutton & Co., Inc.: MUSINGS OF A CHINESE MYSTIC from THE WISDOM OF THE EAST SERIES, translated by Herbert Giles
Dwight Goddard Estate: A BUDDHIST BIBLE by Dwight Goddard
Harvard University Press: THE TRANSFORMATION OF NATURE IN ART by Ananda K. Coomaraswamy
Houghton Mifflin Company: THE WAY AND ITS POWER by Arthur Waley
The Macmillan Company: THE SPIRITUAL REFORMERS by Rufus Jones; MYSTICISM EAST AND WEST by Rudolph Otto; SONCS OF KABIR by Rabindranath Tagore
The Marcel Rodd Company: BHAGAVAD GITA, translated by Swami Prabhavananda and Christopher Isherwood
Newman Book Company: THE WORKS OF ST. JOHN OF THE CROSS, translated by Allison Piers from the Spanish of P. Silverio
R. A. Nicholson: MYSTICS OF ISLAM by R. A. Nicholson
Oxford University Press: THE PATH OF PURITY by Buddhaghosha; THE TIBETAN BOOK OF THE DEAD by W. Y. Evans-Wentz
Sheed & Ward: THE MYSTICAL THEOLOGY OF ST. BERNARD by Etienne Gilson