Before Brooklyn: the secret heroes who helped break baseball's color barrier, MLB
MLB celebrates Jackie Robinson Day, calls for justice continue - WHYY
Jackie Robinson becomes first African American player in Major League Baseball, April 15, 1947
Jackie Robinson Broke the Color Barrier, Later Immortalized on U.S. Coinage
Jackie Robinson - The Bay State Banner
75 years ago, Jackie Robinson broke the MLB color barrier - WiredPen
Jackie Robinson's legacy looms over All-Star Game in LA
Today in History: In 1947, Jackie Robinson broke Major League Baseball's color barrier
Jackie Robinson broke baseball's color barrier but these Black players still faced racism
Jackie Robinson and City Gospel Mission - City Gospel Mission
Jackie Robinson wasn't the only candidate to break baseball's color line