Demografija

Reference

Literatura

• Morris, Richard B. (1996). Encyclopedia of American History (Seventh izd.). Collins Reference. ISBN 0062700553. 
• Peter C. Mancall, Gary B. Nash, Allan M. Winkler, Charlene Mires, John W. Jeffries, ur. (2009). Encyclopedia of American History. Facts on File. ISBN 0816071365. 
• Stanley I. Kutler (2002). Dictionary of American History (Third izd.). Charles Scribners & Sons. ISBN 0684805332. 
• Paul S. Boyer (2001). The Oxford Companion to United States History. Oxford University Press. ISBN 0195082095. 
• Michael Kazin, Rebecca Edwards, Adam Rothman, ur. (2011). The Concise Princeton Encyclopedia of American Political History. Princeton University Press. ISBN 0691152071. 
• Kane, Joseph and Aiken, Charles (2004). The American Counties: Origins of County Names, Dates of Creation, and Population Data, 1950-2000. Scarecrow Press. ISBN 0-8108-5036-2. 

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