The Mathis News (Mathis, Tex.), Vol. 53, No. 15, Ed. 1 Thursday, April 8, 1976, newspaper, April 8, 1976; (https://texashistory.unt.edu/ark:/67531/metapth1059765/m1/4/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .