Rio Grande Herald (Rio Grande City, Tex.), Vol. 35, No. 8, Ed. 1 Thursday, December 9, 1976, newspaper, December 9, 1976; (https://texashistory.unt.edu/ark:/67531/metapth194589/m1/10/: accessed June 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .