Adidas vs. Puma: A History of Two Brothers – Explosion
How Puma and Adidas' Rivalry Divided Their Founding Town for 70 Years
Adidas vs Puma? — RW Beyond The Box
Sneaker Wars: The Enemy Brothers Who Founded Adidas and Puma and the Family Feud That Forever Changed the Business of Sports: Smit, Barbara: 9780061246586: Amazon.com: Books
How Puma and Adidas' Rivalry Divided Their Founding Town for 70 Years