History of the Decatur Staleys / Chicago Bears – Staley Museum
Guy Chamberlin Through the Years
From the NFL Archives: Turn of the Century Through the 1920s
Who Were the First NFL Teams Ever? - The Forkball
Berlin Guy Chamberlin Monument
Chicago Staleys Team History
From the NFL Archives: Turn of the Century Through the 1920s
Pro Football Hall of Fame — Wikipédia
Berlin Guy Chamberlin Monument
List of Chicago Bears in the Pro Football Hall of Fame - Wikiwand
Chicago Staleys Team History
The NFL landscape when Canton ruled in 1922-23