"Captain Courageous: Tom Hanks and Capt. Richard Phillips". Interview with Katherine Heintzelman and Jennifer Rainey Marquez, parade.com. September 21, 2013.
Edgar Mitchell (2009). “The Way of the Explorer: An Apollo Astronaut's Journey Through the Material and Mystical Worlds: Easyread Large Bold Edition”, p.454, ReadHowYouWant.com