Rio Grande Herald (Rio Grande City, Tex.), Vol. 36, No. 30, Ed. 1 Thursday, May 6, 1982, newspaper, May 6, 1982; (https://texashistory.unt.edu/ark:/67531/metapth194870/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .