The Shamrock Texan (Shamrock, Tex.), Vol. 35, No. 262, Ed. 1 Saturday, April 8, 1939, newspaper, April 8, 1939; (https://texashistory.unt.edu/ark:/67531/metapth529263/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .