www.benchmarkworks.com
Craig is the best BMW guy in the USA, for anything BMW related go to Vech's site.

www.kastenrahmen.de
A great site for Zundapps and a forum. Dedicated to Zundapps from the 30's into the 40's.

www.zuendapp-aichner.de
This web site is the best on the Internet for buying parts for your Vintage German K500,KS600 and K800. Michael is without a doubt the best on the net to buy from.

www.dkw-nz.net
The DKW link - The Internets only dedicated site to WW2 German DKW NZ 350's.

www.wehrmachtsgespann.de
H.P. Hommes is in heavy WH motorbike combos like R75, KS750.

www.oldtimergarage.szn.pl
One of the leading sources in reproduction of vintage spares with a stunning range of topics.

uk.groups.yahoo.com/group/KRADRIDER/
International discussion group in English around WH WW2 motorbikes and equipment.

Dedicated web site to Vintage BMW motorcycles,they have a good site with a very nice forum.