Super Bowl XL - Wikipedia
Joe Starkey: 2011 Super Bowl loss to Packers sent Steelers to different realm
Steelers Throwback Thursdays: Steelers beat Seahawks in Super Bowl XL - Steel City Underground
Super Bowl XL just the start of Michigan ties to NFL's big game
Looking back at the Steelers Super Bowl appearances
A look back: Super Bowl XL
football – Cardinal Tales
A look back: Super Bowl XL
BLOG: Packers vs. Steelers
Flashback Friday: Steelers Shutout Seahawks In Super Bowl XL Rematch In 2007 - Steelers Depot