Rio Grande Herald (Rio Grande City, Tex.), Vol. 35, No. 21, Ed. 1 Thursday, March 9, 1978, newspaper, March 9, 1978; (https://texashistory.unt.edu/ark:/67531/metapth194652/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .