Sash Holder And Fastener., patent, July 25, 1899; (https://texashistory.unt.edu/ark:/67531/metapth509049/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Sash Holder And Fastener., patent, July 25, 1899; (https://texashistory.unt.edu/ark:/67531/metapth509049/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .