Baseball Integration Timeline, by John Thorn
NFL supplemental draft returns in 2023: A look at the Giants' history
Hank Thompson – Society for American Baseball Research
Negro league, Overview, History, Players, & Facts
The Geography of Segregated Baseball in New York - The New York Times
Who Was Andrew Carnegie? What Was He Known for?
New York Giants Organizational Spotlight – Sports Philanthropy Network
After Jackie Robinson, MLB integration was halting - The Washington Post
Horace Stoneham – Society for American Baseball Research