Polk County Enterprise (Livingston, Tex.), Vol. 107, No. 52, Ed. 1 Thursday, June 29, 1989, newspaper, June 29, 1989; (https://texashistory.unt.edu/ark:/67531/metapth795776/m1/4/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .