Atack, Jon. A Piece of Blue Sky: Dianetics, Scientology, and L. Ron Hubbard Exposed. London: Lyle Stuart, 1988.
Crews, Frederick C. Follies of the Wise: Dissenting Essays. New York: Avalon, 2006.
"Cruise Tangles With Matt Lauer." MSNBC, June 28, 2005. Accessed on January 22, 2011, at: http://today.msnbc.msn.com/id/8344309/ns/today-entertainment/
Hubbard, L. Ron. Dianetics: The Modern Science of Mental Health. New York: Hermitage, 1950.