Polk County Enterprise (Livingston, Tex.), Vol. 106, No. 61, Ed. 1 Sunday, July 31, 1988, newspaper, July 31, 1988; (https://texashistory.unt.edu/ark:/67531/metapth795957/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .