American football in the UK
History of American football - Wikipedia
Super Bowl History: Why Are Footballs Shaped Like That?
A brief history of holiday football – Trinitonian
Jim Turner, Who Kicked the Jets Into Super Bowl History, Dies at 82 - The New York Times
Pro football's troubled history of on-field medical emergencies
NFL History: The Evolution of the NFL Player
How Carl Nassib's Coming Out Made NFL History : NPR
Football History: How Did Deaf Players Transform the Game? - Hearing Industries Association
Essay Writing Topics Related to the History of American Football
American Football's history timeline