Were Pitchers More Likely to Throw at Black Batters? 1947–66 – Society for American Baseball Research
Breaking Baseball's Color Barrier - Georgia Historical Society
Jackie Robinson broke baseball's color barrier April 15, 1947
Moribund Phillies drop to 5-10
67 years after Jackie Robinson broke the color barrier, Major League Baseball looks very different
The First Time Jackie Robinson Broke Baseball's Color Barrier – Rediscovering Black History
Black baseball players struggled long after Jackie Robinson broke the color barrier
Top 100 MLB players of all time - Nos. 100-51 - ESPN
Jackie Robinson - Wikipedia
Jackie Robinson broke baseball's color barrier 75 years ago
McCaffrey podcast: Jackie Robinson After Baseball – Journalism History journal
On Jackie Robinson Day, 100 Photos of the Icon on the Field and With Family - The New York Times
Honoring '42' comes slowly in legend's hometown