Datum izmjene: 2 septembar 2021 u 16:15; autor/autorica: InternetArchiveBot(razgovor | doprinosi)(Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8)
Morris, Richard B. (1996). Encyclopedia of American History (Seventh izd.). Collins Reference. ISBN0062700553.
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.