Breaking the Color Line: The Politics of Signing Jackie Robinson

Did Jackie Robinson Really Break Baseball's Color Barrier?

Mr. Rickey Calls a Meeting – Society for American Baseball Research

Jackie Robinson wasn't the only candidate to break baseball's color line

Jackie Robinson and the Press

Jackie Robinson: What if There Had Been No Color Line? - The Crawfish Boxes

Breaking the Color Line - 80 Days That Changed the World - TIME

Calls for justice continue as baseball celebrates Jackie Robinson Day - The Boston Globe

Jackie Robinson, Biography, Statistics, Number, Facts, & Legacy

Baseball changed due to Jackie Robinson. He was just getting started.

How Jackie Robinson's overlooked season in the Negro Leagues shaped his historic path to Major League Baseball

The Jackie Robinson Story: Ken Burns Documentary Captures the Man and the Movement - The American Prospect

1947: Robinson breaks baseball color barrier - Mississippi Today