Rio Grande Herald (Rio Grande City, Tex.), Vol. 33, No. 52, Ed. 1 Thursday, October 9, 1975, newspaper, October 9, 1975; (https://texashistory.unt.edu/ark:/67531/metapth194527/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .