The Plainsman Press (Levelland, Tex.), Vol. 7, No. 15, Ed. 1 Wednesday, April 7, 1965, newspaper, April 7, 1965; (https://texashistory.unt.edu/ark:/67531/metapth1476290/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .