Leather-Working Machine., patent, May 18, 1909; (https://texashistory.unt.edu/ark:/67531/metapth508306/m1/5/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Leather-Working Machine., patent, May 18, 1909; (https://texashistory.unt.edu/ark:/67531/metapth508306/m1/5/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .