Who were the linebackers for the 'Steel Curtain' defense and why
Throwback Thursday: 2008 Steelers defense immortailized on ESPN
The Steel Curtain - Positively Pittsburgh
Top Ten Single Season Defenses in NFL History : #9 1975 Pittsburgh
Steelers are working to return to their Steel Curtain roots
Men Pittsburgh Steelers NFL Posters for sale
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Steel Curtain - steelerstotalss jimdo page!
Steelers Fantasy Island: Re-drafting 1975-1979 - Behind the Steel