Denton Record-Chronicle (Denton, Tex.), Vol. 54, No. 205, Ed. 1 Monday, April 1, 1957, newspaper, April 1, 1957; (https://texashistory.unt.edu/ark:/67531/metapth1458783/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .