PHOTOS: Uniform history
Pittsburgh Steelers reveal updated throwback uniforms, can 'bumblebee
Steelers Unveil New Throwback Uniforms
PHOTOS: Uniform history
The Gridiron Uniform Database
Steelers again wear throwback uniforms that should be thrown back into the closet
PHOTOS: Uniform history
The Pittsburgh Steelers Game Worn Jersey Archive- Sports Card and Sports Memorabilia Auctions
Pittsburgh Steelers jersey, helmet have gone through a series of quirks and changes - Uni Watch - ESPN
Lelands
Logos and uniforms of the Pittsburgh Steelers - Wikipedia
Pittsburgh Steelers to wear bumble bee 1934 throwback uniforms Sunday vs. the Cincinnati Bengals - Behind the Steel Curtain