The Mathis News (Mathis, Tex.), Vol. 51, No. 25, Ed. 1 Thursday, June 20, 1974, newspaper, June 20, 1974; (https://texashistory.unt.edu/ark:/67531/metapth1052754/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .