MLB players write letters to Jackie Robinson

Before Brooklyn: the secret heroes who helped break baseball's color barrier, MLB

MLB players write letters to Jackie Robinson

LETTERS FROM JACKIE: THE PRIVATE THOUGHTS OF JACKIE ROBINSON explores Jackie's deepest motivations as he solidifies his role in the civil rights

Letters From Jackie: The Private Thoughts of Jackie Robinson

Black baseball players struggled long after Jackie Robinson broke the color barrier

ROBINSON REVEALS WRITTEN THREATS; Dodgers' Negro Star Told in Anonymous Letters to 'Get Out of Baseball' - The New York Times

MLB players write letters to Jackie Robinson

Jackie Robinson and the Integration of Baseball (Turning Points in History, 16): Simon, Scott: 9780471261537: : Books

A Letter from Jackie Robinson: Civil Rights Advocate

Letter to Branch Rickey, Who's Also Playing, Who's Playing, Explore, Baseball Americana, Exhibitions at the Library of Congress

Jackie Robinson: Before the Dodgers, a 4-sport star at UCLA