Čechoslovák and Westske Noviny (West, Tex.), Vol. 38, No. 14, Ed. 1 Friday, April 6, 1956, newspaper, April 6, 1956; (https://texashistory.unt.edu/ark:/67531/metapth782973/m1/1/: accessed January 20, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .