Trejo, Raul, editor. Rio Grande Herald (Rio Grande City, Tex.), Vol. 21, No. 28, Ed. 1 Thursday, July 13, 1972, Newspaper, July 13, 1972; (http://texashistory.unt.edu/ark:/67531/metapth194363/ : accessed September 02, 2015), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting Rio Grande City Public Library, Rio Grande City, Texas.
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