Notre Dame great Johnny Lujack dead at 98 - The Tribune
Jim Brown, Hall of Fame running back and actor, dies at 87 - The Washington Post
Red Grange, Biography, Stats, & Facts
Former Bears great Johnny Lujack passes away
Giants-Bears? More Than a Game - The New York Times
George Halas — Father of the NFL - Big Blue View
Heisman winner, Notre Dame legend Johnny Lujack dies at 98 - ESPN
Who is George Halas? Looking back at the former Chicago Bears owner
History of the Chicago Bears - Wikipedia
Yogi Berra, master catcher with a goofy wit, dies at 90
Dan Wiederer: What Jalen Hurts' record-breaking QB contract means for Justin Fields and the Chicago Bears
Chicago Bears Team History and Timeline - Sports Illustrated