Porsche 986 Boxster: Boxster, Boxster S, Boxster S 550 Spyder: Model Years 1997 to 2005 (The Essential Buyer's Guide): Streather, Adrian: 9781845844233: Amazon.com: Books
Porsche Spyders: Type 550 1953-1956: Ludvigsen, Karl: 9781583880920: Amazon.com: Books