Tradition: 25 Jahre Mercedes Benz SL 280-SL 600 : Ein Fall für Frühaufsteher - FOCUS Online
Mercedes-Benz, The SL story, R129 with buyer's guide and VIN, data card explanation: From the 280SL to the SL73 AMG and tuners, updated February 2018 - Kindle edition by Koehling, Bernd S..