Heretic, Rebel, a Thing to Flout: George Halas's Decatur Team Played Professional Football's First League Game
Who is George Halas? Looking back at the former Chicago Bears owner
A Century of Chicago Bears Football - Chicago History Museum
Halas, Payton immortalized with statues
George Halas - player/coach, Decatur Staleys (1920) Chicago bears football, Nfl chicago bears, Bears football
Throwback Thursday: George Halas and the Bears officially form the NFL
Illinois 200: How the Decatur Staleys became the Chicago Bears
Walter Payton, Biography & Facts