The Mercedes Enterprise (Mercedes, Tex.), Vol. 56, No. 13, Ed. 1 Thursday, April 1, 1971, newspaper, April 1, 1971; (https://texashistory.unt.edu/ark:/67531/metapth1110791/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .