Throwback: The truth about George Halas and the NFL's ban on black players - Windy City Gridiron
Here's a song the new, woke NFL doesn't need, Opinion
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
How George Halas' columns for the Chicago Tribune, a field goal and a charity game helped the Chicago Bears prove their legitimacy in 1935
A Close Look at a 1965 NFL Uniform Article
NFL History: 100 objects that tell the story of football - Sports Illustrated
The Life And Career Of NFL Pioneer Fritz Pollard (Complete Story)
Duke Slater, NFL's 1st Black lineman, is now Hall of Famer
The Bears will wear uniforms Sunday from a time when black players were banned from the NFL. They addressed that history this week.
A REMEMBRANCE OF GEORGE HALAS & THE ROLE HE PLAYED IN THE SUCCESS OF THE NFL
NFL's Depression-era ban on black players lingers on in the owner's box - Chicago Sun-Times
Bears History: A.E. Staley, George Halas, Pard Pearce, and the Decatur/Chicago Staleys : r/CHIBears