Cotton-chopper, patent, November 27, 1900; (https://texashistory.unt.edu/ark:/67531/metapth508857/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Cotton-chopper, patent, November 27, 1900; (https://texashistory.unt.edu/ark:/67531/metapth508857/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .