Why no championship trophies from 1929-31 in Packers Hall of Fame?
The Iron Man Game of 1932 - The NFL Spartans Defeat the Green Bay
Dope Sheet: Packers host Lions on Thursday Night
An all-Bears insider's tour of the Pro Football Hall of Fame
Evolution of the NFL Rules
Pro Football Journal: 85th Anniversary of NFL's First Ever Post
Who Should Be Inducted Into the NFL Hall of Fame in 2021? - SI
Super Bowl Sunday Special: The Birth of the NFL Championship
Pro Football Hall of Fame
1932 Chicago Bears vs. Green Bay Packers Program - Bears
15 Bucket List Experiences for Football Fans
Hall of Famers from NFL's pre-modern era
1932 Chicago Bears season - Wikipedia
A Century of Chicago Bears Football - Chicago History Museum
1932 Playoff Game Program Pro Football Hall of Fame