BBC: Move over Segway, I'm planning the C6
- Article about Sir Clive Sinclair, announces secret plans for another pioneering new personal transporter.
- http://news.bbc.co.uk/1/hi/magazine/3125341.stm

Sinclair C5 Enthusiasts
- Includes concept drawings, extensive technical information, links, and other materials.
- http://www.sinclairc5.com/

Sinclair User 36 - Sinclair C5
- A feature on the Sinclair C5 from Sinclair User, March 1985
- http://www.sincuser.f9.co.uk/036/sincc5.htm

Planet Sinclair: C5
- Information and articles.
- http://www.nvg.ntnu.no/sinclair/vehicles/c5.htm