Freie Presse für Texas. (San Antonio, Tex.), Vol. 53, No. 1097, Ed. 1 Wednesday, March 6, 1918, newspaper, March 6, 1918; (https://texashistory.unt.edu/ark:/67531/metapth1088728/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .