Robinson's Royal history
When Robinson signed with Montreal, baseball and America changed forever
Robinson's Royal history
Baseball Integration Timeline, by John Thorn
Jackie Robinson's Signing Caused a Financial Dispute - The New York Times
Jackie Robinson, Biography, Statistics, Number, Facts, & Legacy
Was Jackie Robinson's the most important athletic career of all-time? - Quora
Jackie Robinson integrates baseball 73 years ago—Daily Worker archive – People's World
When Robinson signed with Montreal, baseball and America changed forever