The Mercedes Enterprise (Mercedes, Tex.), Vol. 57, No. 25, Ed. 1 Thursday, June 22, 1972, newspaper, June 22, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1110882/m1/1/: accessed May 19, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .