Super Bowl XI, Raiders vs. Vikings
Ten Super Bowl matchups that should have been (but weren't)
Through the Years: A look back at photos from Super Bowl XI
Flashback Friday: Raiders 32, Vikings 14 (Superbowl XI)
Denver Broncos Taylor Blitz Times
NFL Record & Fact Book - Seahawks Online Media Packet
1977 Super Bowl delivered long-awaited title to Raiders
What are the most famous plays in NFL history? - Quora
Flashback Friday: Raiders 32, Vikings 14 (Superbowl XI)
Listing the 100 most memorable moments in Bears history - Chicago Sun-Times