Late 1970's Pittsburgh Pirates Cap designs
Cap of the Week: Pittsburgh Pirates 1970-1975
The Hall of Famer Next Door - WSJ
Twelve Ballcaps, Twelve Stories—Part 5 — Todd Radom Design
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Cincinnati Reds drop fifth consecutive game to Pittsburgh Pirates - Redleg Nation
MLB should allow Stargell Stars to return along with pillbox hats - ESPN - Buster Olney Blog- ESPN
1970 Topps # 396 Steve Blass Pittsburgh Pirates (Baseball Card) EX/MT Pirates : Collectibles & Fine Art
Down The Drain The New Yorker
Uniforms and Logos Pittsburgh Pirates
The 5 best and 5 worst looks in the Pirates' legendary uniform history - The Athletic
MLB Jersey & Cap History
1970 Topps # 532 Danny Murtaugh Pittsburgh Pirates (Baseball Card) EX Pirates : Collectibles & Fine Art
Pittsburgh Pirates 1970-1975 Cooperstown Fitted Cap
