Denton Record-Chronicle (Denton, Tex.), Vol. 75, No. 230, Ed. 1 Sunday, April 30, 1978, newspaper, April 30, 1978; (https://texashistory.unt.edu/ark:/67531/metapth1703482/m1/5/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .