Polk County Enterprise (Livingston, Tex.), Vol. 99, No. 38, Ed. 1 Sunday, May 10, 1981, newspaper, May 10, 1981; (https://texashistory.unt.edu/ark:/67531/metapth781533/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .