Arlington Black Baseball Clubs - When Baseball Was Segregated
Baseball Integration, 1947-1986 – Society for American Baseball Research
Negro Leagues Baseball - Topics on
The St. Louis Browns and the end of the MLB color barrier
North Dakota baseball way ahead of its time with 1930s integrated teams, including 'Duty' - Chicago Baseball Museum
The Secret History of Black Baseball Players in Canada's Great White North
MLB The Show 23's Storylines mode tells the Negro Leagues' history - Polygon
Barrier Breakers Timeline - NLBM
Barrier Breakers Timeline - NLBM
SPORTS CHART OF THE DAY: Baseball's Racial Integration Was Slow to Follow Jackie Robinson's Lead
Baseball's integration and the contemporary civil rights movement - Beyond the Box Score