De Leon Free Press (De Leon, Tex.), Vol. 84, No. 44, Ed. 1 Thursday, April 13, 1972, newspaper, April 13, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1148570/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .