Type-Writing Machine, patent, January 14, 1890; (https://texashistory.unt.edu/ark:/67531/metapth172261/m1/6/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Type-Writing Machine, patent, January 14, 1890; (https://texashistory.unt.edu/ark:/67531/metapth172261/m1/6/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .