Levi's jeans: How they started, how they're made and how they've changed
Levi Strauss and Blue Jeans (Inventions and Discovery): Olson, Nathan, Barnett III, Charles, Hoover, Dave, Williams, Keith: 9780736896467: Amazon.com: Books
The History of Denim - Levi Strauss & Co : Levi Strauss & Co
The True Inventor of Blue Jeans - America Comes Alive