The Grass Burr (Weatherford, Tex.), Ed. 1 Friday, February 13, 1970, newspaper, February 13, 1970; (https://texashistory.unt.edu/ark:/67531/metapth1099764/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .