NFL Thanksgiving: Why do the Cowboys, Lions play every Thanksgiving?
Sunday Morning QB: Detroit Lions, who play Bears on Monday night, could give us a Thanksgiving treat – New York Daily News
How the NFL Popularized Thanksgiving Day Football
Why do the Dallas Cowboys and Detroit Lions always play on Thanksgiving? - Los Angeles Times
Thanksgiving NFL football Detroit Lions 1934 Dallas Cowboys 1966
The Detroit Lions Always Play on Thanksgiving, What's Their Holiday Record?
Raiders vs Cowboys: NFL Thanksgiving Day games history: Lions, Cowboys, best moments, traditions and records
Is it time to boot the Lions out of Thanksgiving slot? Here's why TV execs say that's not a good idea.
NFL Thanksgiving games could be snoozers after Week 11 duds - Sports Illustrated
The History of the NFL on Thanksgiving - Gang Green Nation