Every bumblebee combination worn by the Pittsburgh Pirates during the 1979 season.

Remembering the Civic Arena - WYEP

Pittsburgh Steelers to wear bumble bee 1934 throwback uniforms Sunday vs. the Cincinnati Bengals - Behind the Steel Curtain

Bumblebee Mania

The best and worst uniform looks for every NFL team

PHOTOS: Uniform history

September 30, 1979: Pirates hold off Expos to take NL East crown – Society for American Baseball Research

Pirates Uniforms to Honor 1979 World Series Champions Are Absolutely Stunning

Does every NFL team have a white and dark uniform? Why do some NFL teams only wear white at home? - Quora

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