Southern Messenger (San Antonio and Dallas, Tex.), Vol. 27, No. 10, Ed. 1 Thursday, April 18, 1918, newspaper, April 18, 1918; (https://texashistory.unt.edu/ark:/67531/metapth1266730/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .