Music Education: Scores

"a virtual library containing all public domain music scores, as well as scores from composers who are willing to share their music with the world without charge"

Nearly 10,000 scanned libretti and scores, plus other resources related to opera, ballet, and 19th-century vaudeville.

Searchable database of images of sheet music from collections throughout the United States.

An extensive, searchable database of websites, catalogs, databases, and other scholarly resources in music maintained by the librarians at Harvard University libraries. Note: Many of the entries link to Harvard-only sites, but many others are open access.