https://auctionet.com/sv/4898964-bocker ... -6-volymer
- Pflegeanleitung für die Porsche-Karosserie
- Porsche complete owner's handbook of repair and maintenance, 1960
- Porsche Typ 356 A, 1957
- Porsche technical manual / Henry Elfrink, 1961
- Porsche guide by Sloniger, 1958
- Porsche 911 story / Paul Frere, 1984.