The Mercedes Enterprise (Mercedes, Tex.), Vol. 53, No. 11, Ed. 1 Thursday, March 13, 1969, newspaper, March 13, 1969; (https://texashistory.unt.edu/ark:/67531/metapth1105431/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .