http://www.wehrmachtsgespann.de/
For collectors and riders of WWII Wehrmacht sidecar outfits, R75 and Zundapp.
Ed Hoyt, editor 46 Quarter Horse Ln. Cody, WY 82414
No online presence, but an interesting newsletter (6X/year) and meetings. All brands welcome.
http://www.5united.org
Club for /5 owners.
http://autos.groups.yahoo.com/group/bmw-mono-club/
Yahoo community site dedicated to the vintage BMW singles.
http://www.womenonwheels.org/
How the better half ride.
http://www.washingtonvintagemotorcyclists.org/
Located in Washington State and dedicated to the preservation, restoration and display of antique, classic and vintage motorcycles.
http://vme.micapeak.com/
Premier vintage motorcycle club in the North West.
http://www.sidecar.com/
For those for whom two wheels is not enough.
http://www.oldbastards.ca/
Enthusiasts of vintage, classic, and antique motorcycles.
http://uk.groups.yahoo.com/group/KRADRIDER
For people interested in WWII German motorcycles.