The Hereford Brand (Hereford, Tex.), Vol. 80, No. 228, Ed. 1 Tuesday, May 20, 1980, newspaper, May 20, 1980; (https://texashistory.unt.edu/ark:/67531/metapth1429786/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .