Sulky-Plow., patent, October 25, 1898; (https://texashistory.unt.edu/ark:/67531/metapth511428/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Sulky-Plow., patent, October 25, 1898; (https://texashistory.unt.edu/ark:/67531/metapth511428/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .