Polk County Enterprise (Livingston, Tex.), Vol. 109, No. 55, Ed. 1 Thursday, July 11, 1991, newspaper, July 11, 1991; (https://texashistory.unt.edu/ark:/67531/metapth798357/m1/1/: accessed June 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .