The Hereford Brand (Hereford, Tex.), Vol. 80, No. 197, Ed. 1 Thursday, April 2, 1981, newspaper, April 2, 1981; (https://texashistory.unt.edu/ark:/67531/metapth1429883/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .