The Rice Thresher (Houston, Tex.), Vol. 57, No. 19, Ed. 1 Thursday, February 19, 1970, newspaper, February 19, 1970; (https://texashistory.unt.edu/ark:/67531/metapth245076/m1/1/: accessed May 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .