The ENTIRE History of NFL Thanksgiving!
Know your history: The Thanksgiving Classic - Blogging The Boys
Timeline: How football became a Thanksgiving tradition
NFL Thanksgiving Games: History, traditions and best moments - ESPN
NFL on Thanksgiving Day: History of Lions, Cowboys games on holiday
Thanksgiving and the NFL: The most embarrassing Turkey Day moments in football history – New York Daily News
The History of Thanksgiving Football – The Daily Runner
Thanksgiving, 1891: The First Turkey-Day Football Game in Dallas
A secret history of Thanksgiving football
Vols football rivalries are Thanksgiving traditions
Thanksgiving Day Games Pro Football Hall of Fame