Buffalo Bills - Wikipedia
Ex-Bill Kelso helps tackle issue of youth league safety
File:Mark Kelso's special helmet (3813492425).jpg - Wikipedia
File:Pro Football Hall of Fame (38093559784).jpg - Wikimedia Commons
Hall of Fame Artefact Feature
What's with padded helmet caps teams are wearing
Mark Kelso '85: Keeping his head, and helmet, in the game
NFL HALL OF FAMERS Multi-Autographed/Inscribed HOF Logo Full Size Helmet BECKETT - Game Day Legends
Pro Football Hall of Fame Archives: Bonus Photo Show, Cleveland Sports, Cleveland
Hall of Fame Riddell Eclipse Alternate Speed Replica Helmet
The Mission: Pro Football Hall of Fame Class of 2014's Andre Reed