David Frawley, "Gods, Sages and Kings," Morson Publ, (1991). Read reviews or order this book safely from Amazon.com online
McDowell, Josh and Don Stewart, Handbook of Today's Religions. Nashville:
Thomas Nelson Publishers, 1983. Twelfth printing, June 1992.
Shelley, Fred M. and Audrey E. Clarke, eds. Human and
Dubuque, Iowa: Wm. C. Brown Publishers, 1994