emu
German Motorcycles

German Motorcycle Resources

Information on German Vintage, Pioneer & Veteran, Touring and Racing Motorcycles including pre-war and early post-war eras

VFV
Automobile and Motorcycle Association, Germany. Their site claims that it is the world's largest motorcycle forum.
veteranen-fahrzeug-verband.de


meisterdinger.de
Documents vintage motorcycles made in Nuremberg.
meisterdinger.de


GTU
Large database of German manufacturers.
GTU


deacademic com
Russian site which borrows extensively from authoritative sites.
deacademic com


Marque Specific

Denia
Horst Mennig submitted information on a previously undocumented German marque
Denia


Walter
Walter


TWN-IG
A comprehensive and well presented site on Triumph Werke Nurnberg
TWN-IG


TWN Zweirad IG
Regio Schweiz

TWN Zweirad IG


Honourable Mention



Photographs made at the DKW Motorrad Club e.V.


Translations

German translations (word only, not phrase)
by Oxford University
en.bab.la/dictionary


Not exactly an honourable mention, but it was the source for many early posts here which have since been (mostly) verified and corrected, or deleted:
German motorcycles, microcars and sidecars JF


Phil Aynsley Photography
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