Cardenas, Alfredo E. Duval County Picture (San Diego, Tex.), Vol. 6, No. 48, Ed. 1 Wednesday, December 4, 1991, newspaper, December 4, 1991; (https://texashistory.unt.edu/ark:/67531/metapth1009708/m1/2/: accessed January 19, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .