Jackie Robinson signs a contract with Brooklyn Dodger's team News Photo - Getty Images

Jackie Robinson: 5 famous Brooklynites share memories of Dodgers legend on 70th anniversary of big-league debut – New York Daily News

The Jackie Robinson We Didn't Get to Know

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Revisiting Jackie Robinson's Major-League Début, Seventy Years Later

Jackie Robinson signs his contract for 1952 in the Brooklyn Dodger News Photo - Getty Images

Jackie Robinson: 5 famous Brooklynites share memories of Dodgers legend on 70th anniversary of big-league debut – New York Daily News

The Jackie Robinson We Didn't Get to Know

89 Jackie Robinson Autograph Stock Photos, High-Res Pictures, and Images - Getty Images

4 Black Baseball Players Who Followed Jackie Robinson's Lead in 1947

The greatest barrier-breaking African-American moments in MLB history

Jackie Robinson's original pro baseball contracts to be auctioned, Baseball

Black Baseball Players Struggled Long After Jackie Robinson Broke The Color Barrier

Photos: The life of Jackie Robinson

When Jackie Robinson Made History, the Sports Pages Shrugged