Jackie Robinson played for KC Monarchs before MLB debut

Jackie Robinson - Wikipedia

Buck O’Neil was a true pioneer for the integration of the Negro Leagues and Major League Baseball. He spent his entire playing career in the Negro

Buck O'Neil Autographed Jackie Robinson 50th Anniversary Baseball Inscribed Mgr. KC Monarchs

Jackie Robinson played for KC Monarchs before MLB debut

K.C. Monarchs owners criticize Branch Rickey for signing Jackie

Jackie Robinson (1919-1972) - Baseball Legend and Civil Rights

KC Royals: Was Jackie Robinson really a Kansas City Royal?

Jackie Robinson: A Legacy of Activism - The American Prospect

Library - The Kansas City Monarchs In Your Hometown

Kansas City Monarchs - Wikipedia

Robinson's Royal history

1945 Kansas City Monarchs, No. 5 Jackie Robinson – Oldtime