Type-Writing Machine., patent, July 25, 1893; (https://texashistory.unt.edu/ark:/67531/metapth173471/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Type-Writing Machine., patent, July 25, 1893; (https://texashistory.unt.edu/ark:/67531/metapth173471/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .