Polk County Enterprise (Livingston, Tex.), Vol. 79, No. 34, Ed. 1 Thursday, May 4, 1961, newspaper, May 4, 1961; (https://texashistory.unt.edu/ark:/67531/metapth762842/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .