The Rio Grande Herald (Rio Grande City, Tex.), Vol. 80, No. 79, Ed. 1 Thursday, June 13, 1991, newspaper, June 13, 1991; (https://texashistory.unt.edu/ark:/67531/metapth195293/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .