Kansas State Historical Society (December 17, 2009). "Kansas Counties". Kansas County Factsheets. Kansas State Historical Society. Retrieved March 21, 2010. Individual county pages are sources used.{{cite web}}: CS1 maint: postscript (link)
Kansas State Historical Society. "Seward County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Godfrey County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved April 3, 2015.
Kansas State Historical Society. "Hunter County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Irving County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Otoe County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Shirley County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved July 17, 2020.
Kansas State Historical Society. "Peketon County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Madison County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Howard County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Buffalo County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Foote County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved February 21, 2022.
Kansas State Historical Society. "Kansas County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Sequoyah County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Garfield County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Billings County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved November 27, 2010.
Kansas State Historical Society. "Breckinridge County, Kansas (defunct)". Kansas County Factsheets. Kansas State Historical Society. Retrieved August 14, 2017.