Jackie Robinson opened MLB's doors to people of color 74 years ago on April 15, Richmond Free Press
Jackie Robinson's Signing Caused a Financial Dispute - The New York Times
The Real Story of Baseball's Integration That You Won't See in 42 - The Atlantic
Historic Baseball milestone Jackie Robinson's 1st Major League game (exhibition)
Jackie Robinson Day - Wikipedia
Jackie Robinson's first year in the majors-1947
Opening Day: The Story of Jackie Robinson's First Season
Jackie Robinson Joins the Major Leagues
TIME for Kids
Opening Day: The Story of Jackie Robinson's First Season' - The New York Times
Jackie Robinson made his mark in the Minor Leagues
Today is Jackie Robinson Day - UCLA