The Hereford Brand (Hereford, Tex.), Vol. 80, No. 221, Ed. 1 Wednesday, May 6, 1981, newspaper, May 6, 1981; (https://texashistory.unt.edu/ark:/67531/metapth1429907/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .