Polk County Enterprise (Livingston, Tex.), Vol. 84, No. 48, Ed. 1 Thursday, August 4, 1966, newspaper, August 4, 1966; (https://texashistory.unt.edu/ark:/67531/metapth781823/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .