Roberts, Kenneth, editor. Rio Grande Herald (Rio Grande City, Tex.), Vol. 81, No. 13, Ed. 1 Thursday, April 8, 1993, Newspaper, April 8, 1993; digital images, (http://texashistory.unt.edu/ark:/67531/metapth195387/ : accessed July 13, 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.