Rio Grande Herald (Rio Grande City, Tex.), Vol. 35, No. 17, Ed. 1 Thursday, February 10, 1977, newspaper, February 10, 1977; (https://texashistory.unt.edu/ark:/67531/metapth194597/m1/1/: accessed May 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .