1) There are excellent legal research guides and links at the Oregon Law Help website. Legal aid lawyers compile these materials and links to a wide range of organizations.
2) The Multnomah Bar Association produces English and Spanish versions of:
Youth Faces the Law: A Juvenile Rights Handbook and Domestic Violence: A Guide to Your Rights
3) And don’t forget our guide: OREGON LEGAL ASSISTANCE RESOURCE GUIDE (from the Washington County Law Library)