George Halas came 50 minutes from losing the Bears in 1933 — until soon-to-be Cardinals owner Charles Bidwill bailed him out - Windy City Gridiron
WCG's Jack Silverstein Brings History Into Focus - Windy City Gridiron
NFL All-Time Team: George Halas
George Taliaferro, First Black Drafted by N.F.L., Is Dead at 91 - The New York Times
George Halas came 50 minutes from losing the Bears in 1933 — until soon-to-be Cardinals owner Charles Bidwill bailed him out - Windy City Gridiron
Throwback: The truth about George Halas and the NFL's ban on black players - Windy City Gridiron
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
New York Giants History - Page 2 of 3 - Big Blue Interactive
George Halas: Bears architect still going strong at 82 - Sports Illustrated Vault
NFL History: 100 objects that tell the story of football - Sports Illustrated
Papa Bear George Halas HD
List of events at Soldier Field - Wikipedia