Armored Tread for Pneumatic Tires, patent, July 23, 1912; (https://texashistory.unt.edu/ark:/67531/metapth513570/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Armored Tread for Pneumatic Tires, patent, July 23, 1912; (https://texashistory.unt.edu/ark:/67531/metapth513570/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .