From the Hall of Fame Archives: The 1960's All-Decade Team
Chicago Bears – Wikipedia
From the Hall of Fame Archives: The 1960's All-Decade Team
Calaméo - Fall21 Interactive Catalog
Dick Butkus: Bears legend, Pro Football Hall of Famer, dies at 80
Kansas Alumni magazine, issue No. 5, 2019 by KU Alumni Association - Issuu
NFL History, Taylor Blitz Times