Silva, Marcelo. Rio Grande Herald (Rio Grande City, Tex.), Vol. 35, No. 2, Ed. 1 Thursday, October 27, 1977, newspaper, October 27, 1977; (https://texashistory.unt.edu/ark:/67531/metapth194634/m1/1/: accessed November 13, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .