Throckmorton Tribune (Throckmorton, Tex.), Vol. 83, No. 39, Ed. 1 Thursday, May 11, 1972, newspaper, May 11, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1049217/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .