May 21, 1947: Jackie Robinson makes his Dodgers debut in St. Louis – Society for American Baseball Research

Jackie Robinson in 1945: Signing with the Dodgers – Society for American Baseball Research

CAAM #blackhistory: On April 10, 1947, Jackie Robinson becomes first black player signed to a Major League Baseball contract

cl1-hw/dan/data/question_train_cl1.json at master · Pinafore/cl1-hw · GitHub

Jackie Robinson – Society for American Baseball Research

1947 Dodgers: Branch Rickey and the Mainstream Press – Society for American Baseball Research

Jackie Robinson in 1947: Debut with the Dodgers – Society for American Baseball Research

Remembering Jackie Robinson's historic debut 75 years later - Good Morning America

Dodgers commemorate 75th anniversary of Jackie Robinson breaking MLB's color barrier - CBS Los Angeles

Free Shipping! Jackie Robinson (1919-1972). /Njohn Roosevelt Robinson, Known As Jackie. American Baseball Player. As A Member Of The Brooklyn Dodgers,

Jackie Robinson (1919-1972). /Njohn Roosevelt Robinson, Known As Jackie. American Baseball Player. As A Member Of The Brooklyn Dodgers, Being Tagged

Robinson as a Dodger: 1947 to 1956, Baseball, the Color Line, and Jackie Robinson, Articles and Essays, By Popular Demand: Jackie Robinson and Other Baseball Highlights, 1860s-1960s, Digital Collections