Walter Rucker, "Crusader in Exile: Robert F. Williams and the International Struggle for Black Freedom in America" The Black Scholar 36, No. 2-3 (Summer-Fall 2006): 19-33. URL （页面存档备份，存于互联网档案馆）
Freedom-Now" Time, May 17, 1963 （页面存档备份，存于互联网档案馆）; Glenn T. Eskew, But for Birmingham: The Local and National Struggles in the Civil Rights Movement (University of North Carolina Press, 1997), 301.
Blackside Productions, Eyes on the Prize: America's Civil Rights Movement 1954-1985, " （页面存档备份，存于互联网档案馆）, The Time Has Come" Public Broadcasting System
Simon Wendt, The Spirit and the Shotgun: Armed Resistance and the Struggle for Civil Rights (University of Florida Press, 2007), 121-122; Mike Marqusee, "By Any Means Necessary" The Nation, September 24, 2004 – http://www.thenation.com/article/any-means-necessary# （页面存档备份，存于互联网档案馆）
Simon Wendt, The Spirit and the Shotgun: Armed Resistance and the Struggle for Civil Rights (University of Florida Press, 2007), 121-122; Mike Marqusee, "By Any Means Necessary" The Nation, September 24, 2004 – http://www.thenation.com/article/any-means-necessary# （页面存档备份，存于互联网档案馆）
Walter Rucker, "Crusader in Exile: Robert F. Williams and the International Struggle for Black Freedom in America" The Black Scholar 36, No. 2-3 (Summer-Fall 2006): 19-33. URL （页面存档备份，存于互联网档案馆）
Freedom-Now" Time, May 17, 1963 （页面存档备份，存于互联网档案馆）; Glenn T. Eskew, But for Birmingham: The Local and National Struggles in the Civil Rights Movement (University of North Carolina Press, 1997), 301.
Blackside Productions, Eyes on the Prize: America's Civil Rights Movement 1954-1985, " （页面存档备份，存于互联网档案馆）, The Time Has Come" Public Broadcasting System
