Rivals Forever - The Sneaker Battle (TV Mini Series 2016– ) - IMDb
Letter from Mark H. McCormack to Armin Dassler, March 10, 1973
Hermanos enemigos: el odio familiar detrás de la creación de Adidas y Puma - Infobae
ISPO - Internationale Sportmesse in München: Puma Chef Armin Dassler bei der Präsentation der -Pum
WFSGI on Twitter: "WFSGI hands over Armin Dassler's Honorary Director Award to PUMA's CEO Franz Koch. Adidas received it at ISPO 2012. http://t.co/8Kzl2UyC" / Twitter
▷ ADIDAS and PUMA: The story of two brothers facing each other
Two Brothers and the Battle for Athletic Footwear | Sports History Weekly
Puma - The Dassler Brothers
Armin Dassler, el sucesor que hundió a Puma | Estanislao Torres Del Santo
BBC Radio 4 - Sneakernomics - The sibling rivalry that changed sport for ever