Brownwood Bulletin (Brownwood, Tex.), Vol. 72, No. 181, Ed. 1 Sunday, May 21, 1972, newspaper, May 21, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1574928/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .