December 9, 1940: Bears Win World Football Title, 73 to 0
La storia del football americano - 1940: l'anno dei Chicago Bears
Old-school Washington-Chicago rivalry once NFL best - Washington Times
Chicago Bears win 1940 NFL title 73-0
Historic Moments: Bears roll in with fog
Bears–Packers rivalry - Wikipedia
Chicago Bears win 1940 NFL title 73-0
The 1940 Bears all-time record of 73 points in a game still stands
Historic Moments: Bears Win 1940 Title
A Century of Chicago Bears Football - Chicago History Museum
Team History Pro Football Hall of Fame