Who is credited for starting the Thanksgiving Day football tradition?
Those Great American Creations: Thanksgiving and Football
NFL Week 12: How to watch the New England Patriots - Minnesota Vikings game on Thanksgiving - CBS News
Why the Dallas Cowboys always play football on Thanksgiving
Why the Cowboys and Lions always play on Thanksgiving Day, NFL teams' records on the holiday
NFL on FOX - Happy Thanksgiving! Let's watch some football!
Early history of American football - Wikipedia
Thanksgiving Day football goes back much longer than just Dallas and Detroit
American football, Definition, History, Leagues, Rules, & Facts
American football, Definition, History, Leagues, Rules, & Facts