Improvement in Hats, patent, September 1, 1868; (https://texashistory.unt.edu/ark:/67531/metapth165155/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Improvement in Hats, patent, September 1, 1868; (https://texashistory.unt.edu/ark:/67531/metapth165155/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .