Datum izmjene: 30. augusta 2021. u 08:18; autor/autorica: InternetArchiveBot(razgovor | doprinosi)(Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8)
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Peter C. Mancall, Gary B. Nash, Allan M. Winkler, Charlene Mires, John W. Jeffries, ur. (2009). Encyclopedia of American History. Facts on File. ISBN0816071365.
Stanley I. Kutler (2002). Dictionary of American History (Third izd.). Charles Scribners & Sons. ISBN0684805332.
Paul S. Boyer (2001). The Oxford Companion to United States History. Oxford University Press. ISBN0195082095.