Chicago Bears, American Football Wiki
George Halas Through the Years
On This Date in Sports May 27, 1968: Papa Bear Retires
GEORGE HALAS RETIRES 1968 CHICAGO BEARS COACH FEATURE THE SPORTING
Gridiron Champs: George Halas & the Chicago Bears
Green Bay Packers and Chicago Bears Rivalry Timeline
GEORGE HALAS, FOOTBALL PIONEER, DIES - The New York Times
Chicago Bears to retire Mike Ditka's number, which they say will
George Halas retires a coach