Brownwood Bulletin (Brownwood, Tex.), Vol. 73, No. 175, Ed. 1 Thursday, May 10, 1973, newspaper, May 10, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1575252/m1/1/: accessed June 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .