Stephenville Empire-Tribune (Stephenville, Tex.), Vol. 102, No. 41, Ed. 1 Sunday, April 4, 1971, newspaper, April 4, 1971; (https://texashistory.unt.edu/ark:/67531/metapth1483433/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .