Denton Record-Chronicle (Denton, Tex.), Vol. 54, No. 212, Ed. 1 Tuesday, April 9, 1957, newspaper, April 9, 1957; (https://texashistory.unt.edu/ark:/67531/metapth1458790/m1/1/: accessed June 29, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .