The San Antonio Light (San Antonio, Tex.), Vol. 38, No. 116, Ed. 1 Wednesday, May 15, 1918, newspaper, May 15, 1918; (https://texashistory.unt.edu/ark:/67531/metapth1614764/m1/13/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .