Rio Grande Herald (Rio Grande City, Tex.), Vol. 32, No. 23, Ed. 1 Thursday, March 28, 1974, newspaper, March 28, 1974; (https://texashistory.unt.edu/ark:/67531/metapth194452/m1/1/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .