Mt. Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 87, No. 27, Ed. 1 Thursday, March 16, 1961, newspaper, March 16, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1277982/m1/4/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .