Ullrich, James. Texas Gulf Coast Register (Corpus Christi, Tex.), Vol. 5, No. 4, Ed. 1 Friday, May 1, 1970, newspaper, May 1, 1970; (https://texashistory.unt.edu/ark:/67531/metapth835613/m1/1/: accessed September 24, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .