This is a gigantic catalog of millions of materials owned by libraries all over the world describing books, essays, scores, videos, sound recordings, websites, and manuscript collections. If you find something in WorldCat not owned by the Tri-Colleges we can probably get it for you.
RILM Abstracts of Music Literature (Répertoire International de Littérature Musicale)
The premier index for researching in music, describing books, essays, journal articles, dissertations, documentaries, conference proceedings, bibliographies, discographies, concert reviews, recording notes. Most citations include abstracts.