When It Comes To Brain Injury, Authors Say NFL Is In A 'League Of Denial' : NPR
Is the N.F.L.'s Concussion Settlement Broken? - The New York Times
Pro Football Players Who Suffered Concussions
The Life And Career Of Mike Webster (Story)
CTE — Story of Mike Webster “father of concussions”, and interview with Joe DeLamielleure
NFL Concussions Fast Facts
Documentary: For years, NFL ignored concussion evidence
Exactly How Dangerous Is Football?