Some of my favorite links

Vintage pre-1959 Hondas and some other cool bikes
http://www.thebenlyshop.com

The Motorcycle Hall of Fame Museum
http://www.motorcyclemuseum.org

The Classic Japanese Motorcycle Club
http://www.cjmc.org

Vintage Japanese Motorcycle Club
http://www.vjmc.org

Parts and Services:
Ohio Cycle. Owned and operated by Nick Fetzer. Nick has a world of knowledge about vintage Hondas and other machines as well. On-line catalog
http://www.ohiocycle.com

Rice Paddy Motorcycles - Used and some new Japanese parts in Columbus, OH
http://www.ricepaddymotorcycles.com

Ross Thompson Metal Finishing - Tank rebuilding and repair If you need a tank rebuilt or repaired, there is no better craftsman.
http://www.execulink.com/~rosst

Legends of the Motorcycle
http://www.legendofthemotorcycle.com