De Leon Free Press (De Leon, Tex.), Vol. 102, No. 40, Ed. 1 Thursday, March 1, 1990, newspaper, March 1, 1990; (https://texashistory.unt.edu/ark:/67531/metapth1248163/m1/1/: accessed June 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .