Die for Sash-Weights., patent, June 13, 1911; (https://texashistory.unt.edu/ark:/67531/metapth514667/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Die for Sash-Weights., patent, June 13, 1911; (https://texashistory.unt.edu/ark:/67531/metapth514667/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .