Culberston, John J.; O'Connell, John C. & Gaston, Bernard. Box for Meat and Oil Presses, patent, May 26, 1885; (https://texashistory.unt.edu/ark:/67531/metapth170984/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .