Fred Cox, Ex-Minnesota Viking and Creator of Nerf Football, Dies at 80
Ex-Viking Fred Cox can't kick about lasting success of his invention, the nerf football – Twin Cities
Fred Cox, Vikings Kicker and an Inventor of Nerf Football, Dies at 80 - The New York Times
The List: Player milestones, all-time rushers and the death of the NERF football creator — Inside The Hashes
Fred Cox 1972 Topps #194 - Minnesota Vikings, Inventor of Nerf Football at 's Sports Collectibles Store
Fred Cox: Remembering the Inventor of the Nerf Football
The Nerf Football Has Been Inspiring Backyard Championships Since 1972, Innovation
Fred Cox, former Vikings kicker, dies at age 80