Omaha Media Group LLC-. "History of the Fort - History". Fort Atkinson State Historical Park. Archived from the original on April 29, 2024. Retrieved April 10, 2024.
Hanson, James A. (1993). "Spain on the Plains"(PDF). Nebraska History. 74: 2–21. Archived from the original(PDF) on May 25, 2017. Retrieved January 4, 2015.
"The Nebraska Constitution, 1866–2016"(PDF). Nebraska Legislature, Legislative Research Office. February 2017. Archived(PDF) from the original on October 17, 2020. Retrieved June 22, 2020.
"2025 Small Business Profile"(PDF). U.S. Small Business Administration Office of Advocacy. Archived(PDF) from the original on August 3, 2025. Retrieved February 9, 2026.
Interactive Media Group—Nebraska Educational Telecommunications. "1854 Kansas-Nebraska Act signed". Nebraskastudies.unl.edu. Nebraska Studies. Archived from the original on April 26, 2012. Retrieved May 22, 2012.
Koontz, John. "Etymology". Siouan Languages. Archived from the original on May 12, 2013. Retrieved November 28, 2006.
Hanson, James A. (1993). "Spain on the Plains"(PDF). Nebraska History. 74: 2–21. Archived from the original(PDF) on May 25, 2017. Retrieved January 4, 2015.
"Villasur Sent to Nebraska". www.nebraskastudies.org. Nebraska Studies. Archived from the original on January 15, 2026. Retrieved March 15, 2026.
Interactive Media Group—Nebraska Educational Telecommunications. "1854 Kansas-Nebraska Act signed". Nebraskastudies.unl.edu. Nebraska Studies. Archived from the original on April 26, 2012. Retrieved May 22, 2012.
Omaha Media Group LLC-. "History of the Fort - History". Fort Atkinson State Historical Park. Archived from the original on April 29, 2024. Retrieved April 10, 2024.
"The Nebraska Constitution, 1866–2016"(PDF). Nebraska Legislature, Legislative Research Office. February 2017. Archived(PDF) from the original on October 17, 2020. Retrieved June 22, 2020.
"2025 Small Business Profile"(PDF). U.S. Small Business Administration Office of Advocacy. Archived(PDF) from the original on August 3, 2025. Retrieved February 9, 2026.