College football history: Notable firsts and milestones | NCAA.com
Who Invented (American) Football - HISTORY
National Football League | History, Teams, & Facts | Britannica
Early history of American football - Wikipedia
History- May 14, 1874 How Canada created American football – RCI | English
The Founding of American Football | SportRx
History of American football - Wikipedia
Super Bowl History: Why Are Footballs Shaped Like That? | Time
Who Invented (American) Football - HISTORY
The “Father of American Football” is Born – Today in History: April 7 - Connecticut History | a CTHumanities Project
Why we watch football on Thanksgiving | CNN
The History of the Super Bowl | The American Historian
The Birth of the National Football League - HISTORY
USFL 2022: Everything you need to know | FOX Sports
Inside the NFL: What were the original 8 NFL teams? - AS USA
NFL 100 | NFL.com
History of American football - Wikipedia
Who Invented American Football? - WhoInventedStuff
History of American Football Facts: From Invention To The Super Bowl | HistoryExtra
The Original 14 NFL Teams | Visual.ly
The “Father of American Football” is Born – Today in History: April 7 - Connecticut History | a CTHumanities Project
Kurt Warner | Biography & Facts | Britannica
Another Football League Is on the Edge of Folding - The New York Times
