Negro Leagues Baseball Museum displays history and challenges of players of color, Kansas City
Baseball Integration Timeline, by John Thorn
New York Black Yankees (1932-1948) •
Negro Leagues Baseball eMuseum: Negro Leagues History
Negro League Baseball part of Tennessee's forgotten history
The Negro Leagues are major leagues — but merging their stats has been anything but seamless - The Athletic
U.S. Embassy Luanda - Have you ever heard of Negro League baseball? Before 1947, Black Americans were not permitted to play baseball on white teams, so the Negro Leagues were formed. Check
Timeline - Beisbol
Smithsonian National Museum of African American History and Culture - #OnThisDay in 1920, the Indianapolis ABCs beat the Chicago American Giants in the first game played in the National Negro Baseball League.
Puerto Rican players in Organized Negro Leagues research - Negro Leaguers in Puerto Rico
Negro Leagues Baseball Museum - Flyleaf Creative Inc.
The historical significance of segregated baseball
Drawing the Color Line: 1860s to 1890s, Baseball, the Color Line, and Jackie Robinson, Articles and Essays, By Popular Demand: Jackie Robinson and Other Baseball Highlights, 1860s-1960s