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^ Jump up to: a b c d Chassie, Karen, ed. (2007). Who's Who in America, 2008. New Providence, NJ: Marquis Who's Who. p. 3468. ISBN 978-0-8379-7011-0.

^ Fink, Jason (November 9, 2008). "Obama stood out, even during brief 1985 NYPIRG job". Newsday.

^ Lizza, Ryan (March 19, 2007). "The agitator: Barack Obama's unlikely political education". The New Republic. Vol. 236, no. 12. pp. 22–26, 28–29. ISSN 0028-6583. Retrieved August 21, 2007.
Secter, Bob; McCormick, John (March 30, 2007). "Portrait of a pragmatist". Chicago Tribune. p. 1. Archived from the original on December 14, 2009. Retrieved May 18, 2012.
Obama (1995, 2004), pp. 140–295.
Mendell (2007), pp. 63–83.

^ Jump up to: a b c Matchan, Linda (February 15, 1990). "A Law Review breakthrough". The Boston Globe. p. 29. Retrieved June 15, 2008.
Corr, John (February 27, 1990). "From mean streets to hallowed halls" (paid archive). The Philadelphia Inquirer. p. C01. Retrieved June 6, 2008.

^ Obama, Barack (August–September 1988). "Why organize? Problems and promise in the inner city". Illinois Issues. Vol. 14, no. 8–9. pp. 40–42. ISSN 0738-9663. reprinted in:Knoepfle, Peg, ed. (1990). After Alinsky: community organizing in Illinois. Springfield, IL: Sangamon State University. 