How George Halas' columns for the Chicago Tribune, a field goal
Dick Butkus talks current state of Bears, reflects on his playing days
NFL History: 100 objects that tell the story of football - Sports
Pro Football Journal: Remembering George Halas (Happy Birthday)
From George Halas to Matt Nagy: What was said about each Chicago
George Halas NFL coach, Chicago Bears, Pro Football Hall of Fame
SPORTS OF THE TIMES; THE BEAR WHO REALLY WAS ONE - The New York Times
Pro Football Journal: George Halas Picks Bears All-Time Team
George Halas NFL coach, Chicago Bears, Pro Football Hall of Fame