Hector Lopez, Who Broke a Baseball Color Barrier, Dies at 93 - The New York Times
Jackie Robinson broke baseball's color barrier 75 years ago
MLB players write letters to Jackie Robinson
Today in History for April 15: Jackie Robinson breaks baseball's color barrier
Long Term Impact - Jackie Robinson: Breaking the Color Barrier
Jackie Robinson: Biography, Baseball Player, Activist
Breaking Baseball's Color Barrier: How Jackie Robinson Inspired One Man “To Be Somebody” – StoryCorps
Celebrating the 75th anniversary of Jackie Robinson breaking baseball's color barrier
Jackie Robinson's most memorable quotes – New York Daily News
Black Baseball Players Struggled Long After Jackie Robinson Broke The Color Barrier
Jackie Robinson Breaks Baseball's Color Barrier, 1945