Why Do the Lions and Cowboys Always Play on Thanksgiving Football? - Thrillist
The history of Thanksgiving Day football and the Kansas City Chiefs - Arrowhead Pride
NFL on Thanksgiving Day - Wikipedia
5 Thanksgiving facts you probably don't know
The History of the NFL on Thanksgiving - Gang Green Nation
NFL Thanksgiving Facts, Stats and Turkeys
NFL Week 12: How to watch the New England Patriots - Minnesota Vikings game on Thanksgiving - CBS News
The First Forward Pass in Pro Football History Was Against Moundsville — Or Was It? - Moundsville: PBS Film & Magazine
How Football Became America's Favorite Sport
Why we watch football on Thanksgiving
The history of the Detroit Lions and Thanksgiving: Best, worst moments - Pride Of Detroit
Every NFL team as a classic Thanksgiving tradition