The Hereford Brand (Hereford, Tex.), Vol. 75, No. 223, Ed. 1 Tuesday, May 10, 1977, newspaper, May 10, 1977; (https://texashistory.unt.edu/ark:/67531/metapth1347943/m1/1/: accessed June 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .