The Rio Grande Herald (Rio Grande City, Tex.), Vol. 80, No. 32, Ed. 1 Thursday, July 5, 1990, newspaper, July 5, 1990; (https://texashistory.unt.edu/ark:/67531/metapth195244/m1/1/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .