My Recollections of O. Henry (W. S. Porter), text, 191X; (https://texashistory.unt.edu/ark:/67531/metapth139468/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
My Recollections of O. Henry (W. S. Porter), text, 191X; (https://texashistory.unt.edu/ark:/67531/metapth139468/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .