Philadelphia - HELMET HISTORY
Are the Eagles regarded as rivals? : r/steelers
During World War II the NFL's Eagles and Steelers merged into one
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Steagles: The 1943 Combination of the Steelers and Eagles
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Steelers by the decade: 1940s
Steagles: The 1943 Combination of the Steelers and Eagles
Pittsburgh Steelers - Wikipedia
Steagles: The 1943 Combination of the Steelers and Eagles