The Cotulla Record (Cotulla, Tex.), Vol. 77, No. 6, Ed. 1 Friday, April 7, 1972, newspaper, April 7, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1178359/m1/1/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .