Hefner, Hugh, ed. Playboy Magazine. 1965-1970,1973-1975. Special Collections, J. Murrey Atkins Library, University of North Carolina at Charlotte.
Bogaert, Anthony F., and Deborah A. Turkovich. "A Content Analysis of Playboy Centrefolds from 1953 through 1990: Changes in Explicitness, Objectification, and Model's Age." The Journal of Sex Research 30, no. 2 (1993): 135-139. JSTOR. www.jstor.org (accessed December 7, 2012).
Heer, David M., and Amyra Grossbard-Shechtman. "The Impact of the Female Marriage Squeeze and the Contraceptive Revolution on Sex Roles and the Women's Liberation Movement in the United States, 1960 to 1975." The Journal of Marriage and Family 43, no. 1 (1981): 49-65. JSTOR. www.jstor.org (accessed November 20, 2012).
Pitzulo, Carrie. "The Battle in Every Man's Bed: Playboy and the Fiery Feminists." Journal of the History of Sexuality 17, no. 2 (2008): 259-289. JSTOR. www.jstor.org (accessed November 20, 2012).
Valiunas, A. "The Playboy and His Western World." Commentary 129, no. 5 (2010): 32-35. EBSCOhost. www.ebscohost.com (accessed December 7, 2012).
How Playboy Changed the World. Directed by Kevin Burns. Produced by Edith Beck. 2 hours. Prometheus Entertainment for HISTORY, 2012. DVR.
Hugh Hefner: Playboy, Activist, Rebel, directed by Brigitte Berman. 2010; Canada: Metaphor Films. Netflix.
The Black Power Mixtape 1967-1975, directed by Goran Hugo Olsson. 2011; Story AB, Louverture Films, & Sveriges Television. Nexflix.
Carson, Clayborne, Emma J. Lapansky, Gary B. Nash. The Struggle For Freedom: A History of African Americans, Volume 2- Since 1865. New Jersey: Pearson Education, 2011.
Emilio, John, and Estelle B. Freedman. Intimate Matters: A History of Sexuality in America. 2nd ed. New York: Harper & Row, 1997.
Fraterrigo, Elizabeth. Playboy and the Making of the Good Life in America. New York: Oxford University Press, 2009.
Pitzulo, Carrie. Bachelors and Bunnies: The Sexual Politics of Playboy. Chicago: University of Chicago Press, 2011.
Rosen, Ruth. The World Split Open: How the Modern Women's Movement Changed America. New York: Viking, 2000.
VanDeburg, William L. New Day in Babylon: The Black Power Movement and American Culture, 1965-1975. Chicago: University of Chicago Press, 1992.
OTHER ONLINE SOURCES
American University. "Profile Julian Bond." American University Washington D.C.. http://www.american.edu/spa/faculty/hjb7g.cfm (accessed December 7, 2012).
AskART. "Alden Erikson." Ask Art: The Artists' Bluebook. www.askart.com/askart/artist.aspx?artist=11182721 (accessed November 25, 2012).
Barnard, Jeff. "William Hamilton, 87, an ‘atheistic Christian’ in ‘Death of God’ movement." Chicago-Sun Times, sec. Obituaries, February 29, 2012. http://www.suntimes.com/news/obituaries/10969319-418/william-hamilton-87-an-atheistic-christian-in-death-of-god-movement.html (accessed December 11, 2012).
Cochran, Bruce. "Cochran's Cartoons." Bruce Cochran: Cochran's Cartoons. http://cochranscartoons.com/ (accessed December 1, 2012).
Columbia University. "Columbia Fetes American Theater Legend Eric Bentley." http://www.columbia.edu/cu/news/06/09/bentley.html (accessed December 11, 2012).
Galloway, Stephen. "Hugh Hefner: The Playboy Interview." The Hollywood Reporter. http://www.hollywoodreporter.com/news/hugh-hefner-playboy-interview-238754 (accessed December 11, 2012).
Graduate Theological Union. "New Religious Movements." http://www.gtu.edu/library/special-collections/archives/nrm (accessed December 09, 2012).
Harris, Sydney. "Science Cartoons Plus: The Cartoons of S. Harris." Science Cartoons Plus. http://www.sciencecartoonsplus.com/index.php (accessed December 5, 2012).
Hefner, Hugh Interview by William F. Buckley Jr. Firing Line. 1966. http://www.youtube.com/watch?feature=player_embedded&v=NE4LiuMsxFk#!
Hochschild, Adam. "Farewell Paul Jacobs (1918-1978)." Mother Jones, April 1978. http://books.google.com/books?id=ruYDAAAAMBAJ&pg=PA69&lpg=PA69&dq=paul+jacobs+mother+jones&source=bl&ots=-D1t0p0mZv&sig=8_lQr5Auji-jpmv4w-bcgR1PXPQ&hl=en&ei=880sTYHHKcGclgfc9M3_Cw&sa=X&oi=book_result&ct=result&redir_esc=y#v=onepage&q=paul%20jacobs%20mother%20jones&f=false
Krassner, Paul, ed. "An Impolite Interview with Hugh Hefner (1961)." The Realist. http://www.ep.tc/realist/26/09.html (accessed December 9, 2012).
Marshall University, "Reporter in a Troubled World: Marquis Childs and the Rise and Fall of Postwar Liberalism." http://mupfc.marshall.edu/~rabe/Childs.htm (accessed December 08, 2012).
Museum of the City of New York. "John V. Lindsay: New York's Mayors." Museum of the City of New York. http://lindsay.mcny.org/ (accessed December 9, 2012).
The Nobel Foundation 1964. "Martin Luther King Jr. - Biography." Nobelprize.org. http://www.nobelprize.org/nobel_prizes/peace/laureates/1964/king-bio.html (accessed December 9, 2012).
Weber University. "Shel Silverstein: Biography ." http://faculty.weber.edu/chansen/humanweb/projects/MeghanUng/biography.htm (accessed December 11, 2012).