Brownwood Bulletin (Brownwood, Tex.), Vol. 67, No. 175, Ed. 1 Sunday, May 7, 1967, newspaper, May 7, 1967; (https://texashistory.unt.edu/ark:/67531/metapth1490293/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .