1940 Season- Seamheads Negro Leagues Database
Negro Leagues: How players' stats are being added to MLB history
Details, details, details: More on MLB's task of absorbing Negro League statistics
MLB is officially recognizing the Negro Leagues as major leagues - Bleed Cubbie Blue
1945 Season- Seamheads Negro Leagues Database
1931 Season- Seamheads Negro Leagues Database
MLB Retrospectively Elevates Negro Leagues to Major League Status - WSJ
1935 Season- Seamheads Negro Leagues Database
1945 Season- Seamheads Negro Leagues Database
MLB adds Negro Leagues players, statistics to official records, Trending
Hall of Stats: The Hall of Stats and the Negro Leagues