Aeroplane, patent, September 29, 1914; (https://texashistory.unt.edu/ark:/67531/metapth857962/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Aeroplane, patent, September 29, 1914; (https://texashistory.unt.edu/ark:/67531/metapth857962/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .