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^ Parsons, Christi (February 10, 2007). "Obama's launch site: Symbolic Springfield: Announcement venue evokes Lincoln legacy". Chicago Tribune. Archived from the original on May 11, 2011. Retrieved June 12, 2009.

^ "Barack Obama on the Issues: What Would Be Your Top Three Overall Priorities If Elected?". The Washington Post. Archived from the original on May 9, 2008. Retrieved April 14, 2008. See also:
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^ Tumulty, Karen (May 8, 2008). "The Five Mistakes Clinton Made". Time. Archived from the original on December 11, 2008. Retrieved November 11, 2008.
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^ Nagourney, Adam; Zeleny, Jeff (June 5, 2008). "Clinton to End Bid and Endorse Obama". The New York Times. Archived from the original on June 5, 2008. 