Negro Leagues are elevated to major league status. What does it mean for baseball?
Black Major League players united for change
Jackie Robinson's success marked decline of Negro Leagues
MLB can add Negro Leagues to official records but can never change what it did to Black players - ESPN
Baseball's recognition of Negro Leagues 'long overdue' to heirs and supporters
The Negro Leagues / New Jersey: A Glossary
Diamond Heels reflect dwindling diversity in collegiate baseball - The Daily Tar Heel
Negro league baseball's demise assured once MLB integrated in 1947