Frohlich, Thomas C. (January 7, 2015). "The Poorest County in Each State". 247wallst.com. 24/7 Wall St., LLC. Retrieved August 31, 2017.
Stebbins, Samuel; Frohlich, Thomas C.; Sauter, Michael B. (January 5, 2017). "The Poorest County in Every State". 247wallst.com. 24/7 Wall St., LLC. Retrieved August 31, 2017.