The McKinney Examiner (McKinney, Tex.), Vol. 81, No. 28, Ed. 1 Thursday, March 30, 1967, newspaper, March 30, 1967; (https://texashistory.unt.edu/ark:/67531/metapth1523816/m1/1/: accessed May 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .