JSTOR Large database of scholarly materials on multiple topics. Does not include the latest 2-5 years, but very extensive.
OmniFile (Ebsco) General databse for business, education, science, humanities, social sciences, general
ProQuest Direct (UMI) General database for 4,000+ periodicals, many full-text. This link searches multiple databases, including Research Library, ABI/Inform, Dissertations & Theses, & ProQuest Newspapers.
PubMed (NIH) - Citations and abstracts for millions of articles from thousands of journals. It includes links to full-text articles at several thousand journal web sites as well as to most of the articles in PubMed Central.
PubMed Central PubMed Central (PMC) is an electronic archive of full-text journal articles, offering free access to its contents. PMC contains over half a million articles, most of which have a corresponding entry in PubMed.
SIRS Full-text articles on arts, humanities, government & general research.
Web of Science (ISI) A selective index to literature in Science, Social Science and Art & Humanities. It also shows the number of times articles have been cited by other researchers.
Wiley InterScience Journals Access: Current titles only; no backfiles. Content from >2,500 journals, books, reference works, databases, lab manuals & The Cochrane Library of medicine