Chicago Bears Team History and Timeline - Sports Illustrated
Bears-Packers: 'Cheddar Curtain' Rivals For The Ages : NPR
Willie Thrower: Breaking Barriers - Michigan State University Athletics
100 Things Bears Fans Should Know & Do Before They Die (100 ThingsFans Should Know): McDill, Kent, Joniak, Jeff: 9781600784125: : Books
On this date: George Halas retires an an NFL head coach. - ESPN - Stats & Info- ESPN
Da Greats: Retired Chicago Bears Jersey Numbers - The Chicago Audible
Dick Butkus, Chicago Bears icon, dies at 80 - KTSA
Honoring Rivalries: Bears-Packers to Open 2019 NFL Schedule, Chicago News
Fans to select greatest moment in Bears history
May 27, 1968: George Halas retires as Bears coach
1968: George Halas retires as coach of Chicago Bears
This month in Bears history
101 local ties to the NFL, Sports