University of Texas at El Paso. The Prospector (El Paso, Tex.), Vol. 40, No. 11, Ed. 1 Friday, September 7, 1973, newspaper, September 7, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1620714/m1/1/: accessed July 13, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .