Polk County Enterprise (Livingston, Tex.), Vol. 105, No. 44, Ed. 1 Sunday, May 31, 1987, newspaper, May 31, 1987; (https://texashistory.unt.edu/ark:/67531/metapth795971/m1/1/: accessed June 29, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .