NFL on Thanksgiving Day - Wikipedia
Why we watch football on Thanksgiving
5 Thanksgiving facts you probably don't know
The History of the NFL on Thanksgiving - Gang Green Nation
How the NFL Popularized Thanksgiving Day Football — Bunk
National Football League - Wikipedia
Thanksgiving Day Football Tradition
Why we watch football on Thanksgiving
The First Forward Pass in Pro Football History Was Against Moundsville — Or Was It? - Moundsville: PBS Film & Magazine