The Gilmer Mirror (Gilmer, Tex.), Vol. 33, No. 29, Ed. 1 Thursday, July 21, 1960, newspaper, July 21, 1960; (https://texashistory.unt.edu/ark:/67531/metapth1038197/m1/1/: accessed May 23, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .