Zavala County Sentinel (Crystal City, Tex.), Vol. 29, No. 39, Ed. 1 Friday, January 31, 1941, newspaper, January 31, 1941; (https://texashistory.unt.edu/ark:/67531/metapth1092463/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .