1. US Census Bureau. Census 2000 urban and rural classification. Available at: http://www.census.gov/geo/www/ua/ua_2k.html. Accessed August 26, 2008.
2. United States Department of Agriculture Economic Research Service. Rural definitions: data documentation and methods. Available at: http://www.ers.usda.gov/Data/Ruraldefinitions/Documentation.htm. Accessed August 26, 2008.
3. The Kaiser Commission on Medicaid and the Uninsured. Health insurance coverage in rural America, Chartbook, September 2003. Available at: http://www.kff.org/uninsured/upload/Health-Insurance-Coverage-in-Rural-America-PDF.pdf. Accessed August 26, 2008.
4. The Kaiser Commission on Medicaid and the Uninsured. Key facts on the uninsured in rural America. Available at: http://www.kff.org/uninsured/upload/Health-Insurance-Coverage-in-Rural-America-PDF.pdf. Accessed August 10, 2008.
5. United States Department of Agriculture Economic Research Service. Rural labor and education: non-metro education. Available at: http://www.ers.usda.gov/Briefing/LaborAndEducation/education.htm. Accessed September 10, 2008.