Katherine Dempsey, «Dr. Benjamin Franklin Carson Speaks on Perseverance, Education and Morals on MLK Day», Daily Northwestern, January 17,2012. http://www.dailynorthwestern.com/campus/dr-benjamin-carson-speaks-on-perseverance-educationand-morals-on-mlk-day-1.2685849#.T4He9b9GijE; см. также рассказ профессора медицины Бена Карсона в книге: Benjamin Carson and Candy Carson, America the Beautiful: Rediscovering What Made This Nation Great (Grand Rapids, MI: Zondervan, 2012).
