WholeHogSports - Looking back at Arkansas' coldest cold-weather games
Saturday's NFL games are going to be ridiculously cold all over the country
NFL: See the Coldest Games Ever Played
A look at the coldest playoff games in NFL history as Patriots, Bills set to battle in frigid conditions
December 31, 1967: Weather During the Icebowl
N.F.L. Sideline Heaters Can Be Hazardous - The New York Times
Will Bears-Packers Game be Coldest in NFL History?
Top 10 weather games in NFL history
Seahawks wild card game looks to be coldest in team history
Frozen in time: 2022 Armed Forces Bowl one of coldest bowl games ever
Subzero wind chills expected for Bills vs. Patriots — but it won't come close to coldest game in NFL history