Illinois Alumni Magazine - Fall 2017 - PAPA BEAR
The Great Thanksgiving Football Game That Wasn't: An Urban Legend – Page 2 – Rolling Stone
The Championship Belt Series - Part 1 - Windy City Gridiron
Papa Bear University of Illinois Alumni Association
From the Hall of Fame Archives: The 1920's All-Decade Team
NFL's 1st decade was the 1920s, when teams came and went
Chicago Bears Founder Immortalized in Soldier Field Monument
Throwback Thursday: George Halas and the Bears officially form the NFL