1950s Wood Skateboard with Unusual Deck Form – Mad Van Antiques
1950's Old School Metal Wheel Skateboard (Unbranded)
Vintage Roller Derby Skate Board in Red, Wood Skateboard with Steel Wheels (c.1950s) - ThirdShift Vintage Blog
The Evolution of Skateboarding – Shop709.com
History of Skateboarding | skatedeluxe Blog
The Skateboard The Skateboard has changed the way that many people view handrails, ledges, and stair sets. It has also given a new definition to “ Flying. - ppt download
Origins | CSDT
Issue #5: The Evolution of the Skateboard | by Pocket Change: | Medium