Collapsible Crate., patent, August 6, 1907; (https://texashistory.unt.edu/ark:/67531/metapth512665/m1/1/: accessed May 29, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Collapsible Crate., patent, August 6, 1907; (https://texashistory.unt.edu/ark:/67531/metapth512665/m1/1/: accessed May 29, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .