Why were the Bills unable to win any of their four consecutive Super Bowl appearances? - Quora
NFL Buffalo Bills 4 Super Bowl Appearances Deluxe Ticket & Game Coin Collection, 32 x 27 x 4, Gold
Fun Fact: All 4 of Buffalo's Super Bowl losses were all against NFC East Teams. The Only NFC East Team they didn't face were the Philadelphia Eagles : r/nfl
From Sport to Spectacle: The History of the Super Bowl
Bills advance to AFC championship with 17-3 win over Ravens – The Denver Post
Stefon Diggs Disappointed Buffalo Bills Couldn't Give 'Mafia' Super Bowl Trip
Super Bowl Losers: Grieving part of rebound process – The Denver Post
Pittsburgh Steelers Super Bowl Championship Wins - Sports Illustrated
Buffalo Bills Playoff History: Wins, Super Bowl Appearances, and More