Journals
Though many law reviews and journals are available digitally only on commercial databases, the following resources provide free access:
Bepress Digital Commons
The American Bar Association's Legal Technology Resource Center: Free Full-Text Online Law Review/Journal Search (includes some ABA publications as well as a lengthy list of law review journals). Beware that this service has broken links.
Directory of Open Access Journals.
JSTOR Early Journal Content
Google Scholar
Reference
American Association of Law Libraries. How to Research a Legal Problem: A Guide for Non-Lawyers.
FindLaw Legal Reference Material.
Law.com free legal dictionary.