American football on Thanksgiving - Wikipedia
The history of the Detroit Lions and Thanksgiving: Best, worst moments - Pride Of Detroit
4 Things You Didn't Know About Thanksgiving
The history of Thanksgiving Day football and the Kansas City Chiefs - Arrowhead Pride
Thanksgiving Day: A Brief History - World History Encyclopedia
13 Interesting Thanksgiving Day Facts - What is the History of Thanksgiving
Timeline: How football became a Thanksgiving tradition
History and Origins of Thanksgiving Day
NFL Thanksgiving: Detroit Lions and Dallas Cowboys uphold league's yearly tradition on US holiday, NFL News