The Mathis News (Mathis, Tex.), Vol. 48, No. 17, Ed. 1 Thursday, April 27, 1972, newspaper, April 27, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1055878/m1/7/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .