Corpus Christi Caller (Corpus Christi, Tex.), Vol. 23, No. 160, Ed. 1, Sunday, July 31, 1921, newspaper, July 31, 1921; (https://texashistory.unt.edu/ark:/67531/metapth163813/m1/1/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .