Books by Volker Bruse include: NSU Motorrad Fotoalbum 1903-1945
An archive of his site www.251s.de is available at the Wayback Machine
Phil Aynsley Photography
Thousands of quality photographs featuring Ducati, Moto Guzzi, MV Agusta and numerous other marques. An index to many of the amazing galleries on his site is available here:
Phil Aynsley's Motorcycle Photos
