Volkswagen Type 4: 411 and 412: The Final Rear-Engined VW Cars: Cranswick, Marc: 9781787115224: Amazon.com: Books
1969 69 April Car and Driver Magazine (Features: Road Test on Triumph GT-6, + Volkswagen 411L / 411 L, Imperial Lebaron, & Lotus Elan): Bob Brown, David Phipps, Brock Yates, Leon Mandel: Amazon.com: Books
How to Keep Your Volkswagen Alive: A Manual of Step-by-Step Procedures for the Compleat Idiot [For the Beetle, Bus, Karmann Ghia, SquareFastback Safari and 411 - 412]: John Muir, Tosh Gregg, Peter Aschwanden: 9780912528168: Amazon.com: Books
Fix Your Volkswagen: Johnson Larry: 9780870061790: Amazon.com: Books