Choose "legal" from the top tabs (red) to search both laws and legal literature.
Books are likely to be a useful resource for your research. Check the OSU catalog for books available at both Cascades and in Corvallis. Check the Summit Catalog for books available from other academic libraries in Oregon and Washington.
Need a book that you can't find anywhere? Order it through Interlibrary Loan .
http://oregonstate.edu/dept/pol_sci/wicguide.htm
http://wic.oregonstate.edu/survivalguide/learn.html