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Riddlesperger, James W. "John F. Kennedy." The Sixties in America. Ed. Carl Singleton. 3 vols. Pasadena, CA: Salem Press, 1999. Salem History Web. 21 Feb. 2011.
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Frey, Raymond. "“I Have a Dream” Speech." The Sixties in America. Ed. Carl Singleton. 3 vols. Pasadena, CA: Salem Press, 1999. Salem History Web. 21 Feb. 2011.
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Campion, Edmund J. "Assassinations of John and Robert Kennedy and Martin Luther King, Jr." The Sixties in America. Ed. Carl Singleton. 3 vols. Pasadena, CA: Salem Press, 1999. Salem History Web. 21 Feb. 2011.
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Stentiford, Barry M. "The Beatles." The Sixties in America. Ed. Carl Singleton. 3 vols. Pasadena, CA: Salem Press, 1999. Salem History Web. 21 Feb. 2011.
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Clarkin, Thomas. "Civil Rights Act of 1964." The Sixties in America. Ed. Carl Singleton. 3 vols. Pasadena, CA: Salem Press, 1999. Salem History Web. 21 Feb. 2011.
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Boilard, Steve D. "Lyndon B. Johnson." The Sixties in America. Ed. Carl Singleton. 3 vols. Pasadena, CA: Salem Press, 1999. Salem History Web. 21 Feb. 2011.
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Jenkins, Robert L. "Assassination of Malcolm X." Great Events from History: The Twentieth Century, 1941-1970. Ed. Robert F. Gorman. 6 vols. Pasadena, CA: Salem Press, 2008. Salem History Web. 21 Feb. 2011.
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Swygart, Glenn L. "Richard M. Nixon." The Sixties in America. Ed. Carl Singleton. 3 vols. Pasadena, CA: Salem Press, 1999. Salem History Web. 21 Feb. 2011.
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Pauly, Roger. "Led Zeppelin." The Seventies in America. Ed. John C. Super. 3 vols. Pasadena, CA: Salem Press, 2006. Salem History Web. 21 Feb. 2011.
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Campion, Edmund J. "Assassinations of John and Robert Kennedy and Martin Luther King, Jr." The Sixties in America. Ed. Carl Singleton. 3 vols. Pasadena, CA: Salem Press, 1999. Salem History Web. 21 Feb. 2011.
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Erwin, Paul F. "Neil Armstrong." Great Lives from History: The Twentieth Century. Ed. Robert F. Gorman. 10 vols. Pasadena, California: Salem Press, 2008. Salem History Web. 21 Feb. 2011.