Pirates Made Uniform History – FOB Sports (Friends of Bob)
Baseball's Forgotten Stars”: The Pirates' Bob Friend
Football Jerseys, Lockport Middle School Pirates
1929-30 Pittsburgh Pirates - The (unofficial) NHL Uniform Database
MLB Jersey & Cap History
Bob Walk Jersey - Pittsburgh Pirates 1992 Away Throwback MLB Baseball Jersey
Bobby Bruce 30 Independence Community College Pirates Dark Blue Football Jersey — BORIZ
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Pittsburgh Pirates Uniform and Team History
Pirates Made Uniform History – FOB Sports (Friends of Bob)
Bob friend hi-res stock photography and images - Alamy
Pirates Made Uniform History – FOB Sports (Friends of Bob)
Uniforms and Logos Pittsburgh Pirates
US Navy dress jumper worn by Lorenzo DuFau on USS Mason National Museum of African American History and Culture
Baseball's Forgotten Stars”: The Pirates' Bob Friend