University of Texas at El Paso. The Prospector (El Paso, Tex.), Vol. 35, No. 55, Ed. 1 Friday, May 9, 1969, newspaper, May 9, 1969; (https://texashistory.unt.edu/ark:/67531/metapth1620495/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .