Looking for manuals & parts for '73 CB 450 DOHC Honda

I'm gonna do a search, but any suggestions on how to find same in SF
Bay area would be helpful.
I'm quite happy that I now have a bike olenough for "Moto
Melee"...next year's, anyway.

Thanks & ride safe.

-Jose' aka "Hawkeye Joe"
1976 CB 750 Honda SuperSport (pictured in "Motorcyclist" 9/04)
and now, 1973 CB 450 DOHC(!)