Denton Record-Chronicle (Denton, Tex.), Vol. 54, No. 282, Ed. 1 Monday, July 1, 1957, newspaper, July 1, 1957; (https://texashistory.unt.edu/ark:/67531/metapth1449961/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .