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MLA International Bibliography Articles and books about literature. Use "Get it Cornell" to track down the full text of the article.
Academic Search Premier Multidisciplinary and multi-genre--scholarly journals, scholarly journals, magazines, reports, newspapers. Lots of full text.
International Medieval Bibliography (IMB). Indexes articles, essays, chapters. Covers all aspects of medieval studies within the date range of 400 to 1500.
JSTOR: The Scholarly Journal Archive Excludes 3-5 years most recent articles.
Project Muse Companion to JSTOR including 3-5 most recent years.