Stovepipe-Holder., patent, November 15, 1910; (https://texashistory.unt.edu/ark:/67531/metapth513155/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Stovepipe-Holder., patent, November 15, 1910; (https://texashistory.unt.edu/ark:/67531/metapth513155/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .