[Postcard of a Letterette], postcard, July 9, 1909; (https://texashistory.unt.edu/ark:/67531/metapth562263/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[Postcard of a Letterette], postcard, July 9, 1909; (https://texashistory.unt.edu/ark:/67531/metapth562263/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .