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Michelsen, Neil F. The American Ephemeris for the 20th Century 1900 to 2000 at Midnight. San Diego: ACS Publications, 2001.
Michelsen, Neil F. The American Ephemeris for the 21st Century 2000 to 2050 at Midnight. San Diego: ACS Publications, 1997.
Brennan, Barbara Ann. Hands of Light: A Guide to Healing Through the Human Energy Field. New York: Bantam Books, 1987.
Barbara Brennan School of Healing: https://barbarabrennan.com.
Edgar Cayce’s Association for Research and Enlightenment: www.edgarcayce.org.