Bouyer, Louis. Dictionary of Theology. Tournai, Belgium: Desclee & Co., 1963.

de Kalbermatten, Gregoire The Advent. New Delhi: The Life Eternal Trust Publishers, 1979.*

Stutley, Margaret and James. Harper's Dictionary of Hinduism. San Francisco: Harper & Row., 1984.

*The Advent is an officially sanctioned book by Sahaja Yoga and Shri Mataji Srivastava.  In fact, the author personally told me that Shri Mataji herself was deeply involved in its writing.  You can see this in much of the text, which clearly reveals her language style. --N.D.