Why Steelers' logo is only on one side of the helmet: History and meaning of Pittsburgh's logo
Steelers-Chiefs chat transcript
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
Pittsburgh Steelers jersey, helmet have gone through a series of quirks and changes - Uni Watch - ESPN
The Steelers 'Digit Dynasty': Who wore the number best? No. 0-25 - Behind the Steel Curtain
Steelers 'Digit Dynasty': Who wore the number best? No.51-75 - Behind the Steel Curtain
How the Steel Curtain got its name
History Of Pittsburgh Steelers Jersey Numbers: Volume Two
Why is the Steelers' logo only on one side of the team's helmets? - Los Angeles Times
In The Shadow Of Greatness: History Of Steelers Who Inherited Legendary Jersey Numbers - Steelers Depot
The Behind the Steel Curtain Pittsburgh Steelers FanShop - Behind the Steel Curtain
Steel Curtain Signed Steelers Jersey With (4) Signatures Including Joe Greene, Ernie Holmes, Lc Greenwood, & Dwight White (JSA ALOA)
Steelers Burning Questions: Are you confident in the direction of the team? - Behind the Steel Curtain
Steelers Spin: Greatest Draft Hits Of The Last 50 Years (2nd Round) - Steelers Depot