» Dupont Circle    Online encyclopedia article from Wikipedia.    http://en.wikipedia.org/wiki/Dupont_Circle

» Dupont Circle Citizens Association    Established in 1922 to promote and protect the interests of neighborhood residents through charitable, educational, and historic preservation activities.    http://www.dupont-circle.com/

» Dupont Circle Historic District    National Park Service description of the history of this neighborhood and its architecture.    http://www.nps.gov/history/nr/travel/wash/dc50.htm