Trejo, Raul. Rio Grande Herald (Rio Grande City, Tex.), Vol. 20, No. 2, Ed. 1 Thursday, January 13, 1972, newspaper, January 13, 1972; (https://texashistory.unt.edu/ark:/67531/metapth194338/m1/4/: accessed September 30, 2016), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .