Roberts, Kenneth. The Rio Grande Herald (Rio Grande City, Tex.), No. 19, Ed. 1 Thursday, March 5, 1987, newspaper, March 5, 1987; (https://texashistory.unt.edu/ark:/67531/metapth195070/m1/1/: accessed November 12, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .