Michael O'Malley, Suzanne Smith: Thurgood Marshall, Supreme Court JusticeHistory 122. George Mason University, Department of History and Art History, Center for History and New Media. Arkistoitu 14.8.2011. Viitattu 11.11.2009. (englanniksi)
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Michael O'Malley, Suzanne Smith: Thurgood Marshall, Supreme Court JusticeHistory 122. George Mason University, Department of History and Art History, Center for History and New Media. Arkistoitu 14.8.2011. Viitattu 11.11.2009. (englanniksi)