Legal Studies Research Guide

Westlaw is an online legal research service for lawyers and legal professionals in the United States and the United Kingdom and is a product of Thomson Reuters. In addition, it provides proprietary database services. Information resources on Westlaw include more than 40,000 databases of case law, state and federal statutes, administrative codes, newspaper and magazine articles, public records, law journals, law reviews, treatises, legal forms and other information resources. -- Wikipedia

This is the largest single periodical resource available, bringing together complete databases across all major subject areas, including Business, Health and Medical, Social Sciences, Education, Science and Technology, and Humanities

Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines.