Solis, Tony. Rio Grande Herald (Rio Grande City, Tex.), Vol. 35, No. 31, Ed. 1 Thursday, May 19, 1977, newspaper, May 19, 1977; (https://texashistory.unt.edu/ark:/67531/metapth194611/m1/1/: accessed August 20, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .