Bears vs. Packers rivalry through the years – Hartford Courant
Don Banks: Lombardi would have loved this Packers team - Sports Illustrated
A New Era in the Packers Bears Rivalry Starts Sunday
First & Long: Finally on the Right Side During Rivalry Week, Bears Hope to Contain Rodgers, Pack Hasn't Started 0-2 Since 2006 - Bears Insider
Chicago Bears - Wikipedia
Green Bay Packers yearbooks - Turning Points in Wisconsin History - Wisconsin Historical Society Online Collections
Packers Legends Almost Always Leave, Aaron Rodgers is Next in Long Line
What binds George Halas and Vince Lombardi, and Bears-Packers - Windy City Gridiron
Pompei: The complicated relationship of George Halas and Vince Lombardi - The Athletic