Football | History, Rules, & Significant Players | Britannica
Football History | Pro Football Hall of Fame Official Site
Odd & original football rules that are no longer used - Dawgs By Nature
Early history of American football - Wikipedia
Super Bowl History: Why Are Footballs Shaped Like That? | Time
History of American Football timeline | Timetoast timelines
College football history: Notable firsts and milestones | NCAA.com
History of American Football Facts: From Invention To The Super Bowl | HistoryExtra
Why is football called 'football'?
How did the NFL teams get their names? Origin of their nicknames - AS USA
History of American Football - Etsy
History of Football (American) | Health and Fitness History
Book looks at history of American football in Europe | Stars and Stripes
The Founding of American Football | SportRx
The Founding of American Football | SportRx
The Complete History Of The NFL | FiveThirtyEight
The History of the Super Bowl | The American Historian
History of American Football Facts: From Invention To The Super Bowl | HistoryExtra
History- May 14, 1874 How Canada created American football – RCI | English
The “Father of American Football” is Born – Today in History: April 7 - Connecticut History | a CTHumanities Project
Who Invented (American) Football - HISTORY
Who Invented (American) Football - HISTORY
American Football's history timeline | Timetoast timelines
The History of Professional Football in America | NFL Now - YouTube
NFL 100: Our full list of greatest players of all time
