The Mathis News (Mathis, Tex.), Vol. 39, No. 31, Ed. 1 Thursday, July 20, 1961, newspaper, July 20, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1039597/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .