America's Passion: How a Coal Miner's Game Became the NFL in the 20th Century by Evan Weiner - Ebook
George Halas Through the Years
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
Uživatel Jack M Silverstein na Twitteru: „CBS butchered nearly every fact about the 1936 throwbacks and the story around why they were chosen and why the Bears released their video. @NFLTNF can
George Halas – Society for American Baseball Research
George Halas was a pro basketball pioneer as well
1937 nfl championship game highlights : r/nfl
Throwback: The truth about George Halas and the NFL's ban on black players - Windy City Gridiron
Rookie Cards of the First Black Players in Modern NFL History
99.chicago Bears Throwback Jersey 1940 on Sale - 1695485496
Duke Slater, NFL's 1st Black lineman, is now Hall of Famer