Čechoslovák (Rosenberg, Tex.), Vol. 3, No. 12, Ed. 1 Wednesday, December 24, 1919, newspaper, December 24, 1919; (https://texashistory.unt.edu/ark:/67531/metapth404517/m1/1/: accessed April 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .