1. Smith, Jean Edward (2001). Grant. Simon and Schuster. pp. 244–247..
2. Schlesinger, Jr., Arthur M. (2002) [1978]. Robert Kennedy and His Times. Houghton Mifflin Books. pp. 350, 351.
3. Akinyele Umoja, We Will Shoot Back: Armed Resistance in the Mississippi Freedom Movement (NYU Press, 2013), p. 126
4. Francis Fox Piven and Richard Cloward, Regulating the Poor (Random House 1971), p. 238;
5. Blackside Productions, Eyes on the Prize: America's Civil Rights Movement 1954–1985, ", The Time Has Come" Public Broadcasting System.
6. Gregg, Khyree. A Concise Chronicle History of the African-American People Experience in America. Henry Epps. p. 284.
7. Schlesinger, Arthur Jr, Robert Kennedy And His Times (2002)
8. Lance Hill, The Deacons for Defense: Armed Resistance and the Civil Rights Movement (University of North Carolina Press, 2006) p. 200-204