NFL history: 100 people who shaped the league, pro football - Sports Illustrated
Jim Brown, legendary NFL star and civil rights advocate, dies at 87 - The Boston Globe
NFL Films] #10: Dick Butkus The Top 100: NFL's Greatest Players : r/CHIBears
NFL Top 100: NFL's Greatest Players (Digibook) (DVD, 2010) Brand New Sealed NIB 883929152032
Top 100 Players of 2023, Nos. 90-81: Tua Tagovailoa among first three Dolphins on list
#65: Randy Moss, The Top 100: NFL's Greatest Players (2010)
NFL Century: The One-Hundred-Year Rise of America's Greatest Sports League by Joe Horrigan, Hardcover
NFL Top 100 Greatest Players Of All Time
NFL Top 100: Nfl's Greatest Players : Various, Nfl Films: Movies & TV