Baseball - Integration, Jackie Robinson, MLB
Baseball Integration Timeline, by John Thorn
Baseball Integration Timeline, by John Thorn
42 facts about Jackie Robinson to celebrate the 75th anniversary of his breaking the color barrier
Robinson debuts five days after signing with Dodgers
42: A Story of Baseball's Integration - Canadian Baseball Hall of Fame and Museum
The History of Segregation in Baseball - The Leadership and Legacy of Jackie Robinson
The Jackie Robinsons of every sport - The Washington Post
CAAM #blackhistory: On April 10, 1947, Jackie Robinson becomes first black player signed to a Major League Baseball contract
42: A Story of Baseball's Integration - Canadian Baseball Hall of Fame and Museum
Baseball Integration, 1947-1986 – Society for American Baseball Research
42: A Story of Baseball's Integration - Canadian Baseball Hall of Fame and Museum
Baseball Integration, 1947-1986 – Society for American Baseball Research