The Brady Standard and Heart O' Texas News (Brady, Tex.), Vol. 55, No. 23, Ed. 1 Friday, March 20, 1964, newspaper, March 20, 1964; (https://texashistory.unt.edu/ark:/67531/metapth991456/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .