The Gridiron Uniform Database: 1920 and 1921: Before the NFL - The APFA Years
The Gridiron Uniform Database
The Gridiron Uniform Database
The Gridiron Uniform Database
The Gridiron Uniform Database
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: The Chicago Bears and their colorful uniform history – a video
All-Time Teams: Chicago Bears
The Gridiron Uniform Database: 2012-08-26
The Gridiron Uniform Database
Roaring Twenties to the Great Depression, 1920–1932
The Gridiron Uniform Database
The Gridiron Uniform Database