Literary Reference Center
This one has Masterplots, undergraduates rejoice.
Literary Reference Center (LRC) is a comprehensive literary reference database, which provides users with a broad spectrum of reference information from antiquity to the present day.
LRC is a completely full-text database that combines information from over 1,000 books and monographs, major literary encyclopedias and reference works, hundreds of literary journals, and unique sources not available anywhere else.
LRC contains detailed information on the most studied authors and their works and is an essential resource for public, academic and high school libraries.