Book Review: 'Monsters' by Rich Cohen - WSJ
Custom on field style jersey with everything sewn on, size XL. Hand-signed and inscribed by Doug Plank.
Doug Plank Signed Chicago Bears Jersey (JSA COA) 1985 46 Defense Named for Him
Doug Plank is the final face on Mt. Lunchpail - Windy City Gridiron
Remembering Buddy Ryan: A Defensive Mastermind And Architect Of The 46 Defense
46 Defense, PDF, American Football
Plank talks 46 defense on Roundtable
Buddy Ryan, mastermind behind 1985 Bears defense, dies at 82 – Orange County Register
Browns coach Mike Pettine shares 'Buddy Ball' roots with Saints' Rob Ryan, Saints
If These Walls Could Talk: Chicago Bears: Stories from the Chicago Bears Sideline, Locker Room, and Press Box: Coppock, Chet, Wilson, Otis: 9781629374086: : Books
If These Walls Could Talk: Chicago Bears: Stories from the Chicago Bears Sideline, Locker Room, and Press Box: Coppock, Chet, Wilson, Otis: 9781629374086: : Books
Buddy Ryan: How Bears coach invented the 46 defense - Sports Illustrated
Buddy Ryan, NFL innovator, dies at 85 years old
The Bonus: Inside the Ryan family 46 defense - Sports Illustrated
Chicago Bears - Wikipedia