Schiller, David, ed. The Little Book of Prayers: A collection of Prayers from around the world and across time.  New York: Workman Publishing, 1996.

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Goldsmith, Joel S. Beyond Words and Thoughts: From the Metaphysical Consciousness to the Mystical. New Jersey: Carol Publishing Group, 1993.

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Aiken, Alfred. That Which Is: A Book on The Absolute. Evansville: Hillier Press, 1971.

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A Course In Miracles. California: Foundation for Inner Peace, 1992.

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Benner, Joseph. The Impersonal Life.

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