Uniforms and Logos Pittsburgh Pirates
Calaméo - 2019 Fall Auction
1971 08 14 Pirates vs Cardinals Jack Buck Bob Gibson
Classic Uniform Wednesday: Pittsburgh Pirates, 1957 to early 70s
West Newsmagazine 3-23-22
Ranking MLB's all-time greatest uniforms - ESPN
Roberto Clemente - Wikiquote
Pirates Made Uniform History – FOB Sports (Friends of Bob)
World Series, History, Winners, & Facts
Dressed to the Nines - Uniform Database