Chicago Bears founder George Halas played a part in everything for NFL - Chicago Sun-Times
George Halas named NFL's fourth best coach of all time
The Chicago Bears' Top 5 running backs in franchise history
NFL's Depression-era ban on Black players lingers on in the owner's box - The Philadelphia Sunday Sun
Jack Silverstein Profile and Activity - Page 4 - Windy City Gridiron
NFL All-Time Team: George Halas
Throwback: The truth about George Halas and the NFL's ban on black players - Windy City Gridiron
List of events at Soldier Field - Wikipedia
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
Throwback: The truth about George Halas and the NFL's ban on black players - Windy City Gridiron
These are the finalists for the 2019 Peter Lisagor Awards - Chicago Headline Club
NFL ban on Black players lingers, Columnists