Plow., patent, May 24, 1904; (https://texashistory.unt.edu/ark:/67531/metapth513933/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Plow., patent, May 24, 1904; (https://texashistory.unt.edu/ark:/67531/metapth513933/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .