Birkenstock IPO estimated value at $8 billion, expected in September
Birkenstock, German Maker of Iconic Sandals, Files for I.P.O. in New York - The New York Times
Steve Jobs' worn-out Birkenstocks sell for $218,000 at auction : NPR
Birkenstock: After IPO, Will San Francisco's Favorite Shoe Sell Its Soul?
History of Birkenstock Shoes and the Brand's Rise to an IPO
From frumpy sandal chic to mainstream appeal: will Birkenstock IPO be a perfect fit?, IPOs
Birkenstock preps for IPO
Invisible, yet Invaluable: Valuing Intangibles - The Birkenstock IPO
Buy Birkenstock IPO? What footwear's history in the stock market says