The Hereford Brand (Hereford, Tex.), Vol. 75, No. 221, Ed. 1 Friday, May 6, 1977, newspaper, May 6, 1977; (https://texashistory.unt.edu/ark:/67531/metapth1347941/m1/1/: accessed July 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .