- Rennsport 2013 Sidney
- Original 911-911 Carrera 2.7 & 3.0 Sales Brochure
- 76 C3 sale in UK
- E-brake Article on the Carrera 3.0
- PCA Open House
- C3 Electrical Schematics
- Carrera 3.0 will be on auction
- Carrera 3.0 vrs 1974-75 Euro Carrera 2.7
- Grant-Porsche-Restoration
- Carrera Test Report
- RM Sotheby's Auction 2019:Monterey Auction 2018
- 5 Year Sales History for the C30
- Introducing our Face Book page address
- Hans Mezger's Son Restor's His Father's 77 C30
- The world C3 Registry
- '77 Targa' Build Quantity News
- C3 Recent Sales