Roberts, Kenneth, editor. Rio Grande Herald (Rio Grande City, Tex.), Vol. 94, No. 14, Ed. 1 Thursday, April 12, 2007, Newspaper, April 12, 2007; digital images, (http://texashistory.unt.edu/ark:/67531/metapth196060/ : accessed July 11, 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.