MERCEDES-BENZ, The modern SL cars, The R107 and C107: From the 350SL/SLC to the 560SL and 500 Rally: Koehling, Bernd S.: 9781516859733: Amazon.com: Books
MERCEDES-BENZ, The modern SL cars, The R129: From the 300SL to the SL73 AMG: S. Koehling, Bernd: 9781517414542: Amazon.com: Books