Čechoslovák and Westske Noviny (West, Tex.), Vol. 30, No. 14, Ed. 1 Friday, April 4, 1941, newspaper, April 4, 1941; (https://texashistory.unt.edu/ark:/67531/metapth394177/m1/1/: accessed July 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .