McDonald's football card promotion was led by 1985 Chicago Bears - Sports Collectors Digest
85 Bears Win Super Bowl XX, Bears vs. Patriots
Chicago Bears - Wikipedia
After 'The Super Bowl Shuffle' - The Chicago Community Trust
Jan. 26, 1986: Chicago Bears win Super Bowl XX
Limited Edition Superbowl 1986 Bears V Patriots – Just Gorgeous Studio
Chicago Bears 1/26/1986 Chicago Sun-Times - Super Bowl Champions Season recap
Dave Duerson in action with the Chicago Bears - Los Angeles Times
Super Bowl 1986: Chicago Bears 46, New England Patriots 10
Mike Ditka's Super Bowl XX sweater vest removed from auction