Throwback: The truth about George Halas and the NFL's ban on black players - Windy City Gridiron
Jack M Silverstein - Director of Custom Content - Aging Media Network
Jack Silverstein Profile and Activity - Page 4 - Windy City Gridiron
Chicago Bears founder George Halas played a part in everything for NFL - Chicago Sun-Times
JESSE JACKSON: NFL's Depression-Era Ban on Black Players Lingers in the Owner's Box - The Washington Informer
Chicago Bears founder George Halas played a part in everything for NFL - Chicago Sun-Times
George Halas a real pro in fostering NFL-media relationship
WCG's Jack Silverstein Brings History Into Focus - Windy City Gridiron