Zavala County Sentinel (Crystal City, Tex.), Vol. 18, No. 13, Ed. 1 Friday, August 23, 1929, newspaper, August 23, 1929; (https://texashistory.unt.edu/ark:/67531/metapth1097003/m1/4/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .