Playoffs! Complete History of Pro Football Playoffs {Part I - 1932-1999} by Steve Fulton - Ebook
Cleveland Browns Playoff History, Appearances, Wins and more
Dallas Cowboys Playoff History, Appearances, Wins and more
1971 NFL Playoffs / Postemporada 1971 NFL
NFC Championship Game - Wikiwand
Kansas City Chiefs, American Football Wiki
1970 NFL Playoff Bracket • CityDynasty
When the Man They Called 'Hogmeat' Made Some Super Bowl History
1972-73 NFL Playoffs, American Football Wiki
1971 NFL season (No AFL), The Road of Time Wiki
Seahawks vs Broncos, Super Bowl 2014: Offense or Defense? A historical look at which is more favorable for a championship - Field Gulls