Attachment For Plows, patent, November 13, 1906; (https://texashistory.unt.edu/ark:/67531/metapth513900/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Attachment For Plows, patent, November 13, 1906; (https://texashistory.unt.edu/ark:/67531/metapth513900/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .