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The Family Feud That Led To Multiple Billion Dollar Businesses
The Fascinating Family Feud that Led to Adidas and Puma, and Allowed Nike to Dominate the Market
Amazon.com: Sneaker Wars: The Enemy Brothers Who Founded Adidas and Puma and the Family Feud That Forever Changed the Business of Sports: 9780061246586: Smit, Barbara: Books
The Famous Family Feud That Spawned Adidas and Puma | HowStuffWorks