Bears unveil 1936 classic uniforms
Uni Watch's Friday Flashback -- When NFL teams went helmet crazy
Dallas Cowboys Introduce White Throwback Helmet for Thanksgiving
NFL Color Rush - Wikipedia
Cowboys confirm never-before-worn alternate helmet for Week 17 game
Chiefs decision makers having 'open discussion' about alternate
The Broncos' helmet history in photos
America's Team: Cowboys Revive Red/White/Blue Stripes
Throwback to the Future: Cowboys' white alternate helmets could return