The Shamrock Texan (Shamrock, Tex.), Vol. 37, No. 94, Ed. 1 Monday, April 7, 1941, newspaper, April 7, 1941; (https://texashistory.unt.edu/ark:/67531/metapth528306/m1/1/: accessed July 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .