Heilig, G. A. La Grange Deutsche Zeitung. (La Grange, Tex.), Vol. 20, No. 30, Ed. 1 Thursday, March 10, 1910, newspaper, March 10, 1910; (https://texashistory.unt.edu/ark:/67531/metapth981093/m1/1/: accessed November 18, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .