Chicago Cubs team ownership history, 1876-1919 – Society for American Baseball Research
Chicago Leland Giants Baseball's Color Line
Rube Foster - The Father of Black Baseball
History of the Chicago Cubs - Wikipedia
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History – Society for American Baseball Research
History of the Chicago Cubs - Wikipedia
Before Indians hosted Cubs, Marion and Harding did
July 16, 1921: Cristóbal Torriente, Chicago American Giants knock the starch out of 'Iron Man' McGinnity – Society for American Baseball Research
History of the Chicago Cubs - Wikipedia
History of the Chicago Cubs - Wikipedia
Chicago Cubs team ownership history, 1876-1919 – Society for American Baseball Research
History of the Chicago Cubs - Wikipedia
SABR Convention History – Society for American Baseball Research
Chicago Cubs Team History
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Cubs historical sleuthing: A man called 'Bubbles' - Bleed Cubbie Blue
