From the Tango to the Brazuca via the Jabulani: A brief history of the World Cup ball, The Independent

With the release of the ball that will be used in Brazil next summer, we take a look through the evolution and varied responses its predecessors were met with

World Cup balls: From Telstar and Tango to Jabulani and Brazuca, the evolution and innovation of footballs

World Cup balls: From Telstar and Tango to Jabulani and Brazuca, the evolution and innovation of footballs

World Cup balls: From the Tango to the Jabulani

World Cup ball: From the Telstar to the Brazuca how the ball has developed through the years

Football knowledge. Some Interesting Facts about Football…, by Sadiaa Noreen

World Cup balls: From Telstar and Tango to Jabulani and Brazuca, the evolution and innovation of footballs

World Cup 2014: How the world has turned since 1950, the last time it was hosted by Brazil, The Independent

Ball, Disrupted: A Brief History of World Cup Innovation - The Atlantic

World Cup ball – DW – 06/09/2010

Goalkeepers Dislike Official World Cup Ball - The New York Times

Vuvuzela, Jabulani, Caxirola & Brazuca – Soccer Politics / The Politics of Football

Brazuca: The World Cup Ball - The New York Times

World Cup balls: Al Rihla, Tango, Jabulani & the complete history

World Cup ball: From the Telstar to the Brazuca how the ball has developed through the years