100 photos: Remembering Jackie Robinson
Walter O'Malley : Dodgertown : The Dodgers and Cuba : cuba
When Robinson signed with Montreal, baseball and America changed forever
1947 Dodgers: Spring Training in Havana – Society for American Baseball Research
Jackie Robinson wasn't the only candidate to break baseball's color line
Baseball's Great Experiment
Spring Training in Havana: Brooklyn Dodgers, 1942 - LIFE
Meet Joe Black: Jackie Robinson's roommate was trailblazer, too
The Breakthrough: In May 1947 Jackie Robinson proved he belonged in the bigs - Sports Illustrated
Cuba trip baseball's power to effect change
The 1950s Louisiana Law That Stalled Racial Progress in Texas Baseball
Jackie Robinson's 1947 MLB season began with spring training in Cuba