A History of Football on Thanksgiving
A brief history of holiday football – Trinitonian
Lombardi put end to Packers' annual Thanksgiving clash with Detroit
NFL Thanksgiving Day previews: Bills, Cowboys, Vikings in action
NFL Thanksgiving: Detroit Lions and Dallas Cowboys uphold league's yearly tradition on US holiday, NFL News
Who plays football on Thanksgiving? What college and NFL teams play? - AS USA
Did The Lions Start Thanksgiving Games? - Big Blue View
Dallas Cowboys look to reverse Thanksgiving trend against the Giants - Blogging The Boys
The Story Behind America's NFL On Thanksgiving Day Football Tradition
The Eagles tried to change the Detroit Lions Thanksgiving Day tradition - Pride Of Detroit
NFL Thanksgiving Games: History, traditions and best moments - ESPN