The Rice Thresher (Houston, Tex.), Vol. 58, No. 25, Ed. 1 Thursday, April 22, 1971, newspaper, April 22, 1971; (https://texashistory.unt.edu/ark:/67531/metapth245106/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .