Preserved Wood and Process of Making Same, patent, November 19, 1912; (https://texashistory.unt.edu/ark:/67531/metapth513545/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Preserved Wood and Process of Making Same, patent, November 19, 1912; (https://texashistory.unt.edu/ark:/67531/metapth513545/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .