The San Antonio Light (San Antonio, Tex.), Vol. 41, No. 150, Ed. 1 Saturday, June 18, 1921, newspaper, June 18, 1921; (https://texashistory.unt.edu/ark:/67531/metapth1617246/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .