Pneumatic Tire and Armor Therefor, patent, April 15, 1913; (https://texashistory.unt.edu/ark:/67531/metapth853605/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Pneumatic Tire and Armor Therefor, patent, April 15, 1913; (https://texashistory.unt.edu/ark:/67531/metapth853605/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .