Throwback: The truth about George Halas and the NFL's ban on black players - Windy City Gridiron

Chicago Bears founder George Halas played a part in everything for NFL - Chicago Sun-Times

George Halas named NFL's fourth best coach of all time

Jack Silverstein Profile and Activity - Page 4 - Windy City Gridiron

New York Giants History - Big Blue Interactive

NFL history: 100 people who shaped the league, pro football - Sports Illustrated

NFL History: 100 objects that tell the story of football - Sports Illustrated

JESSE JACKSON: NFL's Depression-Era Ban on Black Players Lingers in the Owner's Box - The Washington Informer

The Life And Career Of Jim McMahon (Complete Story)

George Halas Through the Years

Jack M Silverstein - Director of Custom Content - Aging Media Network