Guitar., patent, November 1, 1898; (https://texashistory.unt.edu/ark:/67531/metapth512597/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Guitar., patent, November 1, 1898; (https://texashistory.unt.edu/ark:/67531/metapth512597/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .