Rio Grande Herald (Rio Grande City, Tex.), Vol. 33, No. 20, Ed. 1 Thursday, February 27, 1975, newspaper, February 27, 1975; (https://texashistory.unt.edu/ark:/67531/metapth194498/m1/18/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .