Book-Rest for Writing Desks and Tables., patent, October 3, 1882; (https://texashistory.unt.edu/ark:/67531/metapth170422/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Book-Rest for Writing Desks and Tables., patent, October 3, 1882; (https://texashistory.unt.edu/ark:/67531/metapth170422/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .