The Rio Grande Herald (Rio Grande City, Tex.), Vol. 79, No. 42, Ed. 1 Thursday, August 31, 1989, newspaper, August 31, 1989; (https://texashistory.unt.edu/ark:/67531/metapth195200/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .