Large multidisciplinary search engine with results ranking and previews. Google Scholar indexes scholarly literature including journal articles. *Note: free public access available at http://scholar.google.com/
Multidisciplinary index to scholarly and authoritative articles. Provides access to all three parts of the Citation Index: Arts and Humanities, Social Science and Science. Search by subject, author, journal title. Cited Reference Search finds articles that cite an author or article that you specify.
Citations for U.S. dissertations and masters' theses. Abstracts are included for all entries published since 1980. Full-text for many University of California dissertations isFSee available in pdf format.