• Carson, Ben. Think Big. Grand Rapids, MI: Zondervan Pub. House, 1993. Print.
• Johnson, Paul. Churchill. New York: Viking, 2009. Print.
• Plutarch, Arthur Hugh Clough, and John Dryden. Plutarch: The Lives of the Noble Grecians and Romans. New York: Modern Library, 1932. Print.
• Colling, Michael Alan. The Other Side of Blue: What We Learn through Overcoming Adversity. Lane Cove, N.S.W.: Finch, 2007.