Roberts, Kenneth. The Rio Grande Herald (Rio Grande City, Tex.), No. 43, Ed. 1 Thursday, August 20, 1987, newspaper, August 20, 1987; (https://texashistory.unt.edu/ark:/67531/metapth195094/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .