Polk County Enterprise (Livingston, Tex.), Vol. 75, No. 36, Ed. 1 Thursday, May 23, 1957, newspaper, May 23, 1957; (https://texashistory.unt.edu/ark:/67531/metapth762178/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .