Super Bowl XVIII - Wikipedia
Super Bowl XI Recap: Raiders vs. Vikings
Super Bowl XI Raiders 32 Vikings 14 - Beyond The Gameplan
247Sports ranks all 53 Super Bowls
Super Bowl XI: Raiders Super, 32-14 – New York Daily News
Flashback Friday: Raiders 32, Vikings 14 (Superbowl XI)
John Madden death sparks reactions on Twitter, Raiders News
Why did the Minn. VIkings of the 70s always have lousy Super Bowl
Super Bowl XI, American Football Wiki
Vikings vs. Raiders, Super Bowl XI Highlights
Super Bowl 11 - Raiders vs Vikings Score, Winner, & Stats