6 Decades Before Jackie Robinson, This Man Broke Baseball's Color Barrier
67 years after Jackie Robinson broke the color barrier, Major League Baseball looks very different
Alexander: What would Jackie Robinson say about baseball today? – Orange County Register
Jackie Robinson – Society for American Baseball Research
Major League Baseball Player Jackie Robinson – Sport Values
1947: Robinson breaks baseball color barrier - Mississippi Today
Jackie Robinson and the historic 1947 MLB season, Part 1
Crossing the Color Line: Jackie Robinson's Early Career, Baseball
4 Black Baseball Players Who Followed Jackie Robinson's Lead in 1947
Florida park named after police chief who forced Jackie Robinson out of game gets new name
Jackie Robinson and Baseball Owners – Society for American Baseball Research
First black All-Star Game players in 1949