Who's to blame for 49ers' Super Bowl collapse? Everyone.
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The 49ers Lost the Super Bowl and May Have Saved Lives - WSJ
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How Many Times Have the San Francisco 49ers Played in the Super Bowl?
Looking back at the 49ers' rich Super Bowl history
Super Bowl XXIV - Wikipedia
San Francisco 49ers Super Bowl History: Wins, Losses, Appearances
The NFL's All-Time Super Bowl Records
49ers HOLD OFF BENGALS, WIN SUPER BOWL, 26-21 - The New York Times