Chuck Frederick Column: This week 100 years ago, Duluth entered the NFL - Duluth News Tribune
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
Illini to honor Wheaton's Grange with Gray Ghost uniforms
Top 10: Michigan, Illinois turned Bears
Drew Brees regains record, Wil Lutz lands knockout punch as Saints beat Bears
Monster of the Midway: Bronko Nagurski, the 1943 Chicago Bears, and the Greatest Comeback Ever: Dent, Jim: 9780312308674: : Books
League's 1st championship game, draft highlight NFL in 1930s