The McKinney Examiner (McKinney, Tex.), Vol. 81, No. 18, Ed. 1 Thursday, January 19, 1967, newspaper, January 19, 1967; (https://texashistory.unt.edu/ark:/67531/metapth1523806/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .