George S. Halas * - Horatio Alger
Taking Flight by Rob Rains, Whitey Herzog - Ebook
The N.Y. Yankees and the NFL – Dr. Sem's Blog
Bill Belichick Passes George Halas For 2nd Place In Career Wins
Chicago Bears Hall of Famer Dick Butkus dies at 80 – Action News Jax
A Century of Chicago Bears Football - Chicago History Museum
Chicago sports in 1918 during Spanish flu
Wrigley Field, Chicago, IL, November 17, 1963 – Bears defense pounds Green Bay Packers in 26-7 win
George Halas, NFL coach, Chicago Bears, Pro Football Hall of Fame
The Jackie Robinsons of every sport - The Washington Post
George S. Halas, The Grainger College of Engineering