Věstník (West, Tex.), Vol. 29, No. 18, Ed. 1 Wednesday, April 30, 1941, newspaper, April 30, 1941; (https://texashistory.unt.edu/ark:/67531/metapth626707/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .