Sefcik, R. J. Věstník (Temple, Tex.), Vol. 77, No. 22, Ed. 1 Wednesday, May 31, 1989, newspaper, May 31, 1989; (https://texashistory.unt.edu/ark:/67531/metapth632918/m1/13/: accessed June 20, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .