Čechoslovák and Westske Noviny (West, Tex.), Vol. 9, No. 15, Ed. 1 Friday, April 23, 1920, newspaper, April 23, 1920; (https://texashistory.unt.edu/ark:/67531/metapth746044/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .