Sewing-Machine Attatchment, patent, June 7, 1910; (https://texashistory.unt.edu/ark:/67531/metapth509883/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Sewing-Machine Attatchment, patent, June 7, 1910; (https://texashistory.unt.edu/ark:/67531/metapth509883/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .