John Madden on Madden: The early days of his video game, how he watches the NFL now and more - ESPN
Opinion John Madden Left a Voicemail for the Giants That Became N.F.L. Lore - The New York Times
An Argument That Video Games Are, Indeed, High Art
25 years of Madden, the video game that changed football forever - The Verge
John Madden on Madden: The early days of his video game, how he watches the NFL now and more - ESPN
John Madden's Life in Football Through Photos - The New York Times
62, Book by Bryan Hoch, Roger Maris Jr., Aaron Boone, Official Publisher Page
We're going to kill 'em': Super Bowl XI lives in Madden lore - Los Angeles Times