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WCF' on Detroit Lions jersey: What does it stand for?
Throwback Concept (not mine) : r/detroitlions
Detroit Lions (Inside the NFL): Meier, William: 9781532118463: : Books
Complete History of the Detroit Lions
TBT: Lions uniforms through the years
TBT: Lions uniforms through the years
TBT: Lions uniforms through the years
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The Gridiron Uniform Database