Kansas State Historical Society (17. 12. 2009.). „Kansas Counties”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 21. 3. 2010. Individual county pages are sources used.
Kansas State Historical Society. „Seward County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Hunter County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Irving County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Otoe County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Shirley County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Peketon County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Madison County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Howard County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Buffalo County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Kansas County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Sequoyah County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Garfield County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
Kansas State Historical Society. „Billings County, Kansas (defunct)”. Kansas County Factsheets. Kansas State Historical Society. Pristupljeno 27. 11. 2010.
naco.org
National Association of Counties. „NACo - Find a county”. Arhivirano iz originala na datum 2007-10-25. Pristupljeno 30. 4. 2008.
web.archive.org
National Association of Counties. „NACo - Find a county”. Arhivirano iz originala na datum 2007-10-25. Pristupljeno 30. 4. 2008.