Zavala County Sentinel (Crystal City, Tex.), Vol. [20], No. [27], Ed. 1 Friday, November 27, 1931, newspaper, November 27, 1931; (https://texashistory.unt.edu/ark:/67531/metapth1096912/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .