The Rio Grande Herald (Rio Grande City, Tex.), No. 42, Ed. 1 Thursday, August 13, 1987, newspaper, August 13, 1987; (https://texashistory.unt.edu/ark:/67531/metapth195093/m1/1/: accessed May 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .