Cotton Cleaning Machine, patent, May 6, 1919; (https://texashistory.unt.edu/ark:/67531/metapth1256556/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Cotton Cleaning Machine, patent, May 6, 1919; (https://texashistory.unt.edu/ark:/67531/metapth1256556/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .