Doc Ball Skateboarding at Age 92Credits: Cark AckermanEncyclopedia of SurfingskateboardingBall, John “Doc”History of SurfingWe Own the SidewalksFreezing the Moment with Doc BallInterviewsDoc BallFeaturesJOHN "DOC" BALL: HOW TO FIX A TROUBLED SOULVideosSkateboard: the Movie (1978 preview)Skateboarding, 1965"Skaterdater" (1965)Skateboarding in the '70s1976 Ventura Skateboard Championships