Improvement in Billiard-Cushions., patent, July 10, 1877; (https://texashistory.unt.edu/ark:/67531/metapth166669/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Improvement in Billiard-Cushions., patent, July 10, 1877; (https://texashistory.unt.edu/ark:/67531/metapth166669/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .