Plainsman Press (Levelland, Tex.), Vol. 13, No. 12, Ed. 1 Wednesday, April 7, 1971, newspaper, April 7, 1971; (https://texashistory.unt.edu/ark:/67531/metapth1476375/m1/1/: accessed June 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .