Improvement in Plows., patent, February 27, 1877; (https://texashistory.unt.edu/ark:/67531/metapth166639/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Improvement in Plows., patent, February 27, 1877; (https://texashistory.unt.edu/ark:/67531/metapth166639/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .