Music-Holder., patent, April 30, 1895; (https://texashistory.unt.edu/ark:/67531/metapth173977/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Music-Holder., patent, April 30, 1895; (https://texashistory.unt.edu/ark:/67531/metapth173977/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .