IMSLP / Petrucci Music Library Public-domain on-line music score library. Searchable by composer name, genre, instrument, and period.

Naxos Music Library On-line library of thousands of recordings in a variety of styles.  Perfect for faculty and students in Music Department - faculty can even create listening lists for their classes.

Oxford Music Online Includes the online version of the Oxford Dictionary of Music, Grove Music Online and the Oxford Companion to Music.

Oxford Reference Online Full text collection of many of Oxford University Press' most popular and useful reference books.

Project Muse Project MUSE covers the fields of literature and criticism, history, the visual and performing arts, cultural studies, education, political science, gender studies, and many others.

WilsonWeb OmniFile Full Text Mega Indexing, abstracting and full text from journals in art, biology, business, education, humanities, law, science/technology and social sciences.