Jackie Robinson wasn't the only candidate to break baseball's color line
Biography - The Official Licensing Website of Jackie Robinson
Jackie Robinson, Biography, Statistics, Number, Facts, & Legacy
About the Film, Jackie Robinson, Ken Burns
Who Was Jackie Robinson? by Gail Herman, Who HQ, John O'Brien, Paperback
Jackie Robinson Foundation - Wikipedia
Jackie Robinson - Wikipedia
Jackie Robinson - Wikipedia
In the Year of the Boar and Jackie Robinson - Wikipedia
File:Jackie Robinson 1956.jpg - Wikipedia