• IMSLP: Petrucci Music Library
    Sharing the world’s public domain music. The contents include searchable scores and recordings.
  • Mutopia project free scores
    free to download, print out, perform and distribute.1770 pieces of music are now available. search by composer or instrument.
  • Sheet music Consortium
    The Sheet Music Consortium provides tools and services that promote access to and use of online sheet music collections by scholars, students, and the general public. It is fully searchable.
  • Harvard: Online Resources
    Including historical musicology, ethnomusicology, music theory, composition, and performance practice with links to archival collections, online scores and sound recordings and more.
  • RISM – Répertoire International des Sources Musicales
    These primary sources are manuscripts or printed music, writings on music theory, and libretti. They are housed in libraries, archives, monasteries, schools and private collections.
  • American Memory-Library of Congress
    List of scores available online