Chicago Bears - Wikipedia
Series History: Bucs-Bears
Pompei: Tom Waddle talks Mike Ditka, Jay Cutler, post-Super Bowl Bears - The Athletic
Inside the Numbers: Giants Playoff Primer
Dick Butkus, Chicago Bears icon, dies at 80 - CBS Chicago
Jim McMahon Autographed Trading Cards, Signed Jim McMahon Inscripted Trading Cards
Pro Bowl Bears through the years
1986 Walter Payton Card 11 and Payton Record Breaker 7 - Israel
Jim McMahon Football Trading Card Database
1989 Pro Set 478 PSA 10 Jim Mcmahon Traded Banner Chargers
1989 Topps Football Chicago Bears team set w/Traded 23 cards- Singletary on eBid United States