Porsche 917 X 17,Porsche 917 Owners' Workshop Manual 1969 onwards (all models): An insight into the design, engineering, maintenance and operation of Porsche's ,Porsche 917: Archives and Works Catalogue 1968 - 1975 (English and German Edition): Näher, Walter: 9783768838375: Amazon.com: Books,Porsche 917: Archives and Works Catalogue 1968 - 1975 (English and German Edition),Porsche 917 Owners' Workshop Manual 1969 onwards (all models) by Ian Wagstaff: New Hardcover (2015) 1st Edition | Roadster Motoring Books