WCG Top 100 Chicago Bears players of all-time: 100-1 - Windy City
NFL: McCaskey, who succeeded Halas as Bears' leader, dies
Chicago Bears: First takes on 17 coaches
Chicago Bears inducted into Pro Football Hall of Fame
Papa Bear : The Life and Legacy of George Halas: Jeff Davis, Gale
Chicago Bears Fun Facts and Trivia by Viral Newt - Ebook
May 27, 1968: George Halas retires as Bears coach
Grave Story: George Halas (1895-1983) – RIP Baseball
George Halas a rival on the field, helper off the field
George Halas (aka Papa Bear) Founder of the Chicago Bears and the NFL
Green Bay Packers and Chicago Bears Rivalry Timeline
George S Halas – A Word on Papa Bear & 1963 NFL Championship
This Week in NFL History (May 23-May 29): 'Papa Bear' George Halas