Thanks, Coach' - John Madden returns to cover of namesake video game
The PS2 and Madden: Seven Years of History - IGN
John Madden: Giants-Cowboys, NFL set to celebrate icon on Thanksgiving
How To Play Video Games, PDF, Social Science
Remembering John Madden, the video game character - Los Angeles Times
Gamer God: How Madden became the biggest name in football
The final, beautiful goodbye of NFL legend John Madden - ESPN
Game Developer - Career Guide, Fall 2011
Why was the Madden video game series named after John Madden? - Quora
Remembering John Madden, the video game character - Los Angeles Times