Stephenville Empire-Tribune (Stephenville, Tex.), Vol. 106, No. 108, Ed. 1 Thursday, May 15, 1975, newspaper, May 15, 1975; (https://texashistory.unt.edu/ark:/67531/metapth1559926/m1/7/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .