Pittsburgh Steelers: The NFL's Steel Curtain | Pittsburgh steelers, Steelers, Pittsburgh steelers football
Franco Harris: 'Immaculate Reception' anniversary for legendary Steelers running back who died aged 72 this week | NFL News | Sky Sports
History of Pittsburgh Steelers Jersey Numbers: Volume Three
Former Steelers teammates remember 'beloved and respected' guard Sam Davis | TribLIVE.com
25 most prolific Steelers jersey numbers of all time: Honorable Mention - Behind the Steel Curtain
Steelers win Super Bowl X: January 18, 1976
History of Pittsburgh Steelers Jersey Numbers: Volume Four
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