The Rice Thresher (Houston, Tex.), Vol. 56, No. 21, Ed. 1 Thursday, February 20, 1969, newspaper, February 20, 1969; (https://texashistory.unt.edu/ark:/67531/metapth245049/m1/7/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .