The Rio Grande Herald (Rio Grande City, Tex.), Vol. 40, No. 21, Ed. 1 Thursday, March 20, 1986, newspaper, March 20, 1986; (https://texashistory.unt.edu/ark:/67531/metapth195020/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .