Thurgood Marshall's speech at the National Convention of Alpha Phi Alpha in St. Louis, Missouri (August 15, 1966) as quoted in "St. Louis Globe-Democrat" (p. 1), August 17, 1966.
Thurgood Marshall, Mark V. Tushnet (2001). “Thurgood Marshall: His Speeches, Writings, Arguments, Opinions, and Reminiscences”, p.375, Chicago Review Press
Thurgood Marshall, Mark V. Tushnet (2001). “Thurgood Marshall: His Speeches, Writings, Arguments, Opinions, and Reminiscences”, p.11, Chicago Review Press