Did Jackie Robinson Really Break Baseball's Color Barrier?
This Man Broke Baseball's Color Barrier Before Jackie Robinson, National Sports
Sixty-four years before Jackie Robinson, a UM athlete broke baseball's color barrier
MLB reacts to Jackie Robinson Day
Moses Fleetwood Walker, The First African American Pro Baseball Player Long Before Jackie Robinson.
Breaking the color barrier a half century before Jackie Robinson - Toledo City Paper
The Court Martial Case of Jackie Robinson, African American History Blog
Moses Fleetwood Walker (Toledo History) – Jupmode
Why so few Black MLB players 75 years after Jackie Robinson broke the color line? Eric Foster
Baseball's Barrier Breaker Bentley Historical Library