Stephenville Empire-Tribune (Stephenville, Tex.), Vol. 106, No. 113, Ed. 1 Wednesday, May 21, 1975, newspaper, May 21, 1975; (https://texashistory.unt.edu/ark:/67531/metapth1559931/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .