List of Super Bowl champions, American Football Wiki
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National Football League, American Football Wiki
Sports Semiotics in: Sports Semiotics
Playoffs! Complete History of Pro Football Playoffs {Part I - 1932-1999} by Steve Fulton - Ebook
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Olympic Games / Useful Notes - TV Tropes
2019 UCLA Football Information Guide by UCLA Athletics - Issuu
The NFL: 100 Years of football - Los Angeles Times
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