Subscription tool to find published legal articles: LegalTrac > in BLS Library's SARA catalog record, click: ACCESS ONLINE VERSION - (GALE).
In LegalTrac's "Topic Finder":

In LegalTrac's "Subject Guide" Search:
Repositories that include pre-prints:
Law Commons is an open access repository of scholarly articles and other research. BrooklynWorks (Brooklyn Law School's scholarly repository) is part of this network.
SSRN (might require registration to access an article--registration is free)
Sources of published articles:
HeinOnline's Law Journal Library and Foreign and International Law Resources Database provide PDFs.
Westlaw's Law Reviews & Journals and United Kingdom Journals
Lexis+ tab: International
Google Scholar, bullet: Articles
Directory of Open Access Journals
World Legal Information Institute: Categories: Law Journals