About this Collection, By Popular Demand: Jackie Robinson and Other Baseball Highlights, 1860s-1960s, Digital Collections
Baseball color line - Wikipedia
Before Jackie: Baseball's Color Line – Society for American Baseball Research
Crossing the Color Line: Jackie Robinson's Early Career, Baseball
Before Jackie: Baseball's Color Line – Society for American Baseball Research
Why MLB is losing Black America - Sports Illustrated
Throwback Thursday: Jackie Robinson breaks the color barrier - The Washington Post
Baseball color line - Wikipedia
Baseball's Great Experiment: Jackie Robinson and His Legacy: Tygiel, Jules: 9780195339284: : Books
Crossing the Color Line: Jackie Robinson's Early Career, Baseball