Improvement in Gun-Locks., patent, August 16, 1870; (https://texashistory.unt.edu/ark:/67531/metapth165241/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Improvement in Gun-Locks., patent, August 16, 1870; (https://texashistory.unt.edu/ark:/67531/metapth165241/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .