Top 100 Bears of all time: #100-76
The NFL: 100 Years of football - Los Angeles Times
All-Time Teams: Chicago Bears
NFL 100 Greatest' Teams, No. 89: 1934 Chicago Bears
NFL 100: The all-time greatest players for every NFL team
The 150 greatest teams in college football's 150-year history - ESPN
NFL at 100: How college football became pipeline to NFL – The Denver Post
Chicago Bears - Wikipedia
NFL 100 All-Time Team running backs revealed
NFL at 100: How college football became the pipeline to NFL - WHYY
Celebrating 100 years of the NFL: as told by the men in charge, NFL News
Bear Down: The Top 20 Seasons by Chicago Backs - Talk Of Fame