Window-blind and awning, patent, June 18, 1897; (https://texashistory.unt.edu/ark:/67531/metapth174616/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Window-blind and awning, patent, June 18, 1897; (https://texashistory.unt.edu/ark:/67531/metapth174616/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .