History of United States; Know Interesting facts about USA

The American Pageant: A History of the Republic, Vol. 1: To 1877, 13th Edition 13th Edition
by David M. Kennedy (Author), Lizabeth Cohen (Author), Thomas Bailey (Author)

Eric Hinderaker and Rebecca Horn, "Territorial Crossings: Histories and Historiographies of the Early Americas," William and Mary Quarterly (2010) 67#3 pp. 395–432 in JSTOR

Henretta, James A. (2007). "History of Colonial America". Encarta Online Encyclopedia. Archived from the original on September 23, 2009.

Clinton Rossiter, Seedtime of the Republic: the origin of the American tradition of political liberty (1953) p 106.