NFL: See the Coldest Games Ever Played
Snow Bowl (2017) - Wikipedia
The 10 Most Memorable Snow Games in NFL History - Sports Illustrated
Coldest games in NFL history
5 ways NFL athletes keep from freezing on the field
NFL: snow strikes week 14 games – in pictures, Sport
Most Memorable Moments at NFL Snow Games Over the Years
Slipping, sliding, frantic finishes in snowy NFL action - Eurosport
Vikings rally from 33-0 down to stun Colts in biggest ever NFL
NFL Football Is Better in the Snow; a Super Bowl Will Be, Too