Roberts, Kenneth, editor. The Rio Grande Herald (Rio Grande City, Tex.), No. 27, Ed. 1 Thursday, April 30, 1987, Newspaper, April 30, 1987; digital images, (http://texashistory.unt.edu/ark:/67531/metapth195078/ : accessed September 01, 2014), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting Rio Grande City Public Library, Rio Grande City, Texas.