List of AFC champions - Wikipedia
A.F.C. Championship Game: A.F.C. Championship: Kansas City Beats Cincinnati, 23-20, With Late Field Goal - The New York Times
Steelers win 4th AFC title
AFC Championship: Most appearances, wins, losses - AS USA
A Look Back At The Patriots' History In The AFC Championship Game - CBS Boston
Tom Brady's conference-championship history is filled with memorable moments - The Boston Globe
NFL teams that made three straight conference championship games
How many times have the Cincinnati Bengals reached the AFC Championship? - AS USA
Top 10 Best AFC Championship Games in NFL History
Bengals return to AFC Championship Game after outclassing Bills, NFL
AFC Championship Game - Wikipedia
NFL needs to put aside greed, leave AFC, NFC championship games alone