The World's Most Influential People (http://www.time.com/time/specials/2007/0,28757,1733748,00.html?iid=redirect-time100, 11-05-2008)

National Women's Hall of Fame (http://www.greatwomen.org/, 11-05-2008)

Biographical Dictionary (http://www.s9.com/, 11-05-2008)

Biography.com (http://www.biography.com/, 11-05-2008)

Academy of Achievment (http://www.achievement.org/, 11-05-2008)

National Visionary Leader Project (http://www.visionaryproject.com/, 11-05-2008)

The Nobel Prize Internet Archive (http://www.almaz.com/nobel/, 11-05-2008)