Chiefs and 49ers -- and their coaches -- have Super Bowl history
Jan. 24, 1982: 49ers Win Their First Lombardi Trophy in Super Bowl XVI
Breaking down each San Francisco 49ers Super Bowl season
Super Bowl LIV - Wikipedia
How much money the Super Bowl winners earn
4th & Monday: 49ers and Chiefs advance to Super Bowl LIV
San Francisco 49ers break Green Bay Packers' hearts with final-play field-goal
Super Bowl 2020: When, where and what you need to know - The Washington Post
How The Kansas City Chiefs Won The Super Bowl - The New York Times