The Rice Thresher (Houston, Tex.), Vol. 57, No. 26, Ed. 1 Thursday, April 30, 1970, newspaper, April 30, 1970; (https://texashistory.unt.edu/ark:/67531/metapth245083/m1/1/: accessed May 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .