Tribune-Progress (Bartlett, Tex.), Vol. 93, No. 21, Ed. 1, Thursday, December 27, 1979, newspaper, December 27, 1979; (https://texashistory.unt.edu/ark:/67531/metapth81517/m1/1/: accessed April 19, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .