The History Behind the Logo: The Steelmark – YinzerShop
Steelers by the decade: 1960s
Is Quality Forgotten in the Rush to Enshrine Quantity in Canton? - Rick Gosselin
Pittsburgh Steelers' defensive rout of Vikings 40 years ago in Super Bowl IX still stands as benchmark
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Steelers by the decade: 1960s
History of the Pittsburgh Steelers - Wikipedia
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Throwback Uniforms: Pittsburgh Steelers (1962)
Zero to Ziggy: The best players to wear every jersey number in Steelers history - The Athletic
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Pittsburgh Steelers chairman Dan Rooney dies at 84
Steelers by the decade: 1960s
Gil Brandt's greatest defensive ends of all time