Stephenville Empire-Tribune (Stephenville, Tex.), Vol. 111, No. 252, Ed. 1 Wednesday, June 11, 1980, newspaper, June 11, 1980; (https://texashistory.unt.edu/ark:/67531/metapth1249338/m1/1/: accessed June 29, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .