The Hereford Brand (Hereford, Tex.), Vol. 68, No. 27, Ed. 1 Thursday, July 3, 1969, newspaper, July 3, 1969; (https://texashistory.unt.edu/ark:/67531/metapth1351589/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .