Jackie Robinson - Wikipedia
A history of Negro League baseball: Cincinnati's unheralded players
Baseball finally integrates its record book - The Source - Washington University in St. Louis
MLB raises Negro Leagues to Major League status
MLB classifies Negro Leagues as a major league, will count statistics
MLB to change Negro leagues designation, alter record books - Sports Illustrated
MLB elevates Negro Leagues to 'Major League' status
The Negro Leagues Are Major Leagues: A Resource for Educators
Negro Leagues: How players' stats are being added to MLB history
The Negro Leagues are major leagues — but merging their stats has been anything but seamless - The Athletic
Negro Leagues' Latino players finally getting their due
The Negro Leagues are major leagues — but merging their stats has been anything but seamless - The Athletic