Jackie Robinson was a game-changer on and off the field
First person: Dodgers' Carl Erskine remembers Jackie Robinson - Los Angeles Times
Jackie Robinson 75: Baseball's Re-Integration – Society for American Baseball Research
As baseball celebrates Jackie Robinson, those around the game recognize 'it's time for some progress
Brooks Robinson, Orioles third baseman with 16 Gold Gloves, has died. He was 86
Baseball Has Yet to Deliver Greatest Tribute to Jackie Robinson - The New York Times
Why Jackie Robinson's story still resonates 75 years after his MLB debut - ESPN
Jackie Robinson: Biography, Baseball Player, Activist
75 years ago today, a baseball era ended at Rickwood Field
Opal Lee throws first pitch at Texas Rangers game
MLB Celebrates Jackie Robinson Day 75 Years After Debut!
Yankees stars reflect on the significance of Jackie Robinson
Remembering Jackie Robinson's historic debut 75 years later - ABC News