A look at the baseball cards of Jackie Robinson and 15 black pioneers who followed his path - Sports Collectors Digest
1962 Topps Baseball Cards
Metacards – SABR's Baseball Cards Research Committee
Cards That Never Were: Barrier Breakers: 1959 Pumpsie Green - Boston Red Sox
Matt Koch Collect the Mets
Ray Shearer Milwaukee Braves Custom Baseball Card 1957 Style
Card Corner Plus: Three Departures
Pumpsie Green Gallery Trading Card Database
Vancouver artist celebrates the players who broke baseball's colour barrier
Pumpsie Green Boston Red Sox Custom Baseball Card 1959 Style
Item comes fully certified with a tamper-evident, serialized hologram and certificate of authenticity.
Pumpsie Green autographed baseball card (New York Mets) 1964 Topps #442
Cards That Never Were: Series 2 Packs - Sold Out!!!