The Britannica Guide To Football, PDF, American Football Leagues
Green Bay Packers vs Chicago Bears (11-23-1986) Charles Martin's Cheapshot On Jim McMahon
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
Ex Bears QB Jim McMahon opens up about dementia
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
After significant breakthrough, ex-Bear Jim McMahon finds agony lessening
EX-Bears QB Jim McMahon OK after limo crash - The San Diego Union-Tribune
After significant breakthrough, ex-Bear Jim McMahon finds agony lessening
Green Bay Packers vs Chicago Bears (11-23-1986) Charles Martin's Cheapshot On Jim McMahon
Former Bears QB Jim McMahon -- Chicago Tribune
After significant breakthrough, ex-Bear Jim McMahon finds agony lessening