These are just a few links that I have been finding helpful. I'll add to it as I find more. If you want to add to the list please add it in a comment and I'm make sure to add it to the full list.
Washington Administrative Code (WAC
http://apps.leg.wa.gov/wac/
Revised Code of Washington (RCW)
http://apps.leg.wa.gov/rcw/
Supreme Court Hallmarks
http://library.thinkquest.org/11572/cc/
The U.S. Constitution Online
http://www.usconstitution.net/const.html