1929-30 Pittsburgh Pirates - The (unofficial) NHL Uniform Database
Uni Watch's Friday Flashback -- The Pirates go back to their bumblebee days - ESPN
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Pittsburgh Pirates Uniform and Team History
Robert Edward Auctions - The Premiere Sports Auction House
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Pittsburgh Pirates Uniform and Team History
Rumor] Pirates to bring back 70s throwback uniforms for 2016 season to replace Sunday Alternates. : r/baseball
Throwback Uniforms Pittsburgh pirates, Throwback, Baseball uniforms
twitminer/Training_Validation_datasets/shuffle_training.txt at master · vsubhashini/twitminer · GitHub
Pirates Made Uniform History – FOB Sports (Friends of Bob)
Baseball's Forgotten Stars”: The Pirates' Bob Friend
1958 Topps #315 Bob Friend Pirates 3 - VG B58T 08 7784
Baseball's Forgotten Stars”: The Pirates' Bob Friend