Rio Grande Herald (Rio Grande City, Tex.), Vol. 33, No. 13, Ed. 1 Thursday, January 9, 1975, newspaper, January 9, 1975; (https://texashistory.unt.edu/ark:/67531/metapth194491/m1/13/: accessed May 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .