Lawn Mower, patent, December 5, 1919; (https://texashistory.unt.edu/ark:/67531/metapth1258444/m1/4/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Lawn Mower, patent, December 5, 1919; (https://texashistory.unt.edu/ark:/67531/metapth1258444/m1/4/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .