Baseball - Wikipedia
Joe Black – Society for American Baseball Research
Before Jackie: Baseball's Color Line – Society for American Baseball Research
Jackie Robinson broke baseball's color barrier 75 years ago
Baseball: Garrison broke color barrier in Salisbury - Salisbury Post
Virtual Voices of the Game: Wes Parker and James Loney, Los Angeles Dodgers, Jackie Robinson
Why the Number of African American Baseball Players is Declining
Before Trump vs. the NFL, there was Jackie Robinson vs. JFK
Cold Warrior: The Jackie Robinson Story – Society for American Baseball Research
42 Today by Kevin Merida, Ken Burns, Sarah Burns - Audiobook
Hector Lopez, Who Broke a Baseball Color Barrier, Dies at 93 - The New York Times