San Francisco 49ers Super Bowl History: Wins, Losses, Appearances
The Super Bowl history of the Chiefs and 49ers, at a glance
Rivalry recap: Cowboys vs. 49ers
The San Francisco 49ers Super Bowl History - Sports Illustrated
Super Bowl 2013: San Francisco 49ers' furious comeback falls short
How The Kansas City Chiefs Won The Super Bowl - The New York Times
SF 49ers: Which squad was the most complete Super Bowl team?
Four Takeaways From 49ers' Super Bowl Loss to Chiefs - Sports
Super Bowl XIX - Wikipedia
Barber: No guarantee 49ers will get back to Super Bowl
San Francisco 49ers - Wikipedia