Can 49ers break through championship window before it closes? - ESPN
San Francisco 49ers: Ranking All 6 Super Bowl Appearances by Team
San Francisco 49ers coverage - San Francisco Chronicle
All Super Bowl winners 1967 to 2023: From Legends to Dynasties
Kansas City Chiefs' Super Bowl History, Game Appearances, and More
The Longest Winning and Losing Streaks in NFL History
San Francisco 49ers Super Bowl History: Wins, losses, appearances
Looking back at the 49ers' rich – and winning – Super Bowl history
Super Bowl XLVII - Wikipedia
The Super Bowl history of the Chiefs and 49ers, at a glance