Texas Gulf Coast Register (Corpus Christi, Tex.), Vol. 3, No. 23, Ed. 1 Friday, September 20, 1968, newspaper, September 20, 1968; (https://texashistory.unt.edu/ark:/67531/metapth835514/m1/4/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .