De Leon Free Press (De Leon, Tex.), Vol. 79, No. 46, Ed. 1 Thursday, May 1, 1969, newspaper, May 1, 1969; (https://texashistory.unt.edu/ark:/67531/metapth1260020/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .