− | Jason G. Gauthier, '''[[Measuring America: The Decennial Census from 1790 to 2000]]''', PDF download. (Washington, D.C. : U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau, 2002); U.S. Census Bureau (http://www.census.gov/ : accessed 22 Nov 2015), page | + | Jason G. Gauthier, ''[[:File:Measuring America- The Decennial Censuses From 1790 to 2000.pdf|Measuring America: The Decennial Census from 1790 to 2000]]'', PDF download. (Washington, D.C. : U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau, 2002); U.S. Census Bureau (http://www.census.gov/ : accessed 22 Nov 2015), page |