AMERICAN JEANS INVENTED BY LATVIAN Jacob W. Davis in 1871. Patented in 1873. In 2016 did $56 Billion sales Worldwide.
Levi's jeans: How they started, how they're made and how they've changed
Jeans - Wikipedia
Levi Strauss and Blue Jeans (Inventions and Discovery): Olson, Nathan, Barnett III, Charles, Hoover, Dave, Williams, Keith: 9780736896467: Amazon.com: Books
Celebrating 80 Years of Women's Jeans : Levi Strauss & Co
The Origin of Blue Jeans | At the Smithsonian| Smithsonian Magazine
Who Made America? | Innovators | Levi Strauss
Levi Strauss: Blue Jean Genius (First in Fashion): Olson, Elsie: 9781532110771: Amazon.com: Books