Ditka vs. Ryan: The Feud That Fueled the '85 Chicago Bears - WSJ
Chicago Bears - Wikipedia
Great Team Debates: If the 1985 Bears played the 1994 Niners, who wins? - Quora
Bears 1985 defensive coordinator Buddy Ryan dies
Doug Plank Autographed Memorabilia Signed Photo, Jersey, Collectibles & Merchandise
Bears have unearthed gems late in NFL Draft
Bears Legend Doug Plank Thinks He Could Help Matt Eberflus
Great Team Debates: If the 1985 Bears played the 1994 Niners, who wins? - Quora
Remembering Buddy Ryan: A Defensive Mastermind And Architect Of The 46 Defense
CSN looks back at one of the most dominant defensive schemes in NFL history on next installment of “Bears Classics” – NBC Sports Chicago
1985 Chicago Bears season - Wikipedia
46 Defense Taylor Blitz Times