Covers: 1835- . Indexes and abstracts articles, books, conference proceedings, bibliographies, catalogs, dissertations, festchriften, iconographies, critical commentaries to complete works, ethnographic recordings and videos, reviews and more. Sponsored by the International Musicological Society, the International Association of Music Libraries, and the International Council on Traditional Music.

Covers: primarily 1990- with selective coverage back to 1874-. Formerly known as the International Index to Music Periodicals (IIMP), this database offers full text and indexing and abstracting coverage of international music periodicals. Covers nearly all aspects of the world of music, from the most scholarly studies to pop culture.

Covers: 1800s-. A collection of core journals and books in the humanities, social sciences, sciences, and mathematics. Most journals are digitized back to the first date of issue. Note that most titles in these archival collections are only digitized after a three-to-five-year time lag so that recent issues are not always available through JSTOR.
JSTOR now includes ebooks, images, and primary sources as well as journals.

Look at the work lists found in Grove Music Online for details of composition names and numbering.

Check for the work title as represented in library catalogs around the world.

Check for program notes in audio recordings for the representation of work titles.