The Hereford Brand (Hereford, Tex.), Vol. 76, No. 220, Ed. 1 Sunday, May 7, 1978, newspaper, May 7, 1978; (https://texashistory.unt.edu/ark:/67531/metapth1348136/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .