Bed Bottom Spring., patent, January 17, 1882; (https://texashistory.unt.edu/ark:/67531/metapth170286/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Bed Bottom Spring., patent, January 17, 1882; (https://texashistory.unt.edu/ark:/67531/metapth170286/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .