Trejo, Raul. Rio Grande Herald (Rio Grande City, Tex.), Vol. 21, No. 44, Ed. 1 Thursday, November 9, 1972, newspaper, November 9, 1972; (https://texashistory.unt.edu/ark:/67531/metapth194380/m1/1/: accessed February 19, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .