This Day in Yankees History: Babe Ruth elected to first Hall of Fame class - Pinstripe Alley
Ernie Banks, George Halas and Jesse Owens: Where Chicago sports greats are buried – Hartford Courant
Chicago Bears - Wikipedia
Chicago Bears - Wikipedia
Dan Snyder and other billionaires who own the NFL's teams - The San Diego Union-Tribune
George halas bears hi-res stock photography and images - Alamy
Chicago Bears founder George Halas played a part in everything for NFL - Chicago Sun-Times
Ernie Banks, George Halas and Jesse Owens: Where Chicago sports greats are buried – Hartford Courant