Super Bowl, History, Appearances, Results, & Facts
National Football League (NFL), History, Teams, & Facts
Top 10 Facts About The NFL! - Fun Kids - the UK's children's radio
History of American Football Facts: From Invention To The Super
NFL Team History SPORTS TEAM HISTORY
The Original 14 NFL Teams
Most Super Bowl appearances by team
Inside the NFL: What were the original 8 NFL teams? - AS USA
National Football League Facts for Kids