Web Directory

» Art Song Central
   Sheet music for singers and voice teachers. An emphasis is placed on standard classical and traditional repertoire. Scanned PDFs, also some MIDI and MP3 files available.
   http://artsongcentral.com/

» Breizh Partitions
   Hundreds of free Celtic scores for bagpipe, fiddle, piano, guitar, flute, or other instruments.
   http://breizhpartitions.free.fr/en

» Cipoo
   Free archive of electronically typeset editions of public domain choral music, MIDIs and some MP3s.
   http://www.cipoo.net/

» Gutenberg Music
   Small collection of digitally typeset scores in various formats at Project Gutenberg.
   http://www.gutenberg.org/wiki/Gutenberg:The_Sheet_Music_Project

» HymnWiki
   Typeset hymn scores. Mostly PDF, Midi, and LilyPond source files.
   http://www.hymnwiki.org/Main_Page

» Library of Congress - Music Department
   Provides access to various sheet music collections of the library.
   http://www.loc.gov/performingarts/

» Loeb Music Library at Harvard
   Scanned images of rare and unique musical scores from the eighteenth and early nineteenth centuries.
   http://hcl.harvard.edu/libraries/loebmusic/collections/digital.html

» Music Library of Sweden
   Scans of rare materials from the Swedish National Collections of Music, in PDF format.
   http://www.muslib.se/ebibliotek/elib.html

» Musopen
   A community-driven repository of scanned public domain sheet music, viewable in a Flash applet and downloadable as PDFs.
   http://www.musopen.com/sheetmusic.php

» National Library of Australia Digital Collections - Printed Music
   Extensive archive of scans of Australian printed music items from the 19th and early 20th centuries. (Click 'print' to get PDF)
   http://www.nla.gov.au/digicoll/music.html

» Piano Four Hands
   Classical and traditional sheet music in PDF format for piano four hands.
   http://www.quatre-mains.net/

» Ragtime Sheet Music and Books
   A source for ragtime music. Includes some downloadable tunes in GIF format and a links to other ragtime music.
   http://www.trachtman.org/ragtime/musicbooks.htm

» RowyNet
   Free sheet music, online multilingual music glossary and selected links to classical music scores.
   http://www.rowy.net/

» SheetMusicFox
   A large collection of free public domain sheet music.
   http://www.sheetmusicfox.com

» Sibley Music Library
   PDFs of scores and books in the public domain. Many of these are unique to the Sibley Music Library collection.
   https://urresearch.rochester.edu/viewInstitutionalCollection.action?collectionId=63

» The Choral Public Domain Library
   An extensive community-built library of editions of public domain choral music.
   http://www.cpdl.org/

» The Danish National Digital Sheet Music Archive
   A collection of scans of printed and manuscript music in PDF. Contains mostly Danish composers.
   http://www.kb.dk/en/nb/samling/ma/digmus/index.html

» The E. Azalia Hackley Collection
   19th and 20th century sheet music of Negro themes.
   http://www.thehackley.org/

» The Indiana State Collection
   Sheet music by Indiana composers, arrangers, lyricists and publishers.
   http://webapp1.dlib.indiana.edu/inharmony/

» The Mutopia Project
   Public domain sheet music, newly typeset with GNU LilyPond. In addition to the printable PDF, the LilyPond source as well as MIDI files are provided. Mostly classical, with a little jazz.
   http://www.mutopiaproject.org/

» The Petrucci Project
   A project to digitize public domain sheet music. Some scores are available.
   http://www.soundpost.org/petrucci.html

» Werner Icking Music Archive
   A web archive of electronically typeset public domain sheet music in PDF. Primarily early music, but also some contemporary works, including some jazz.
   http://icking-music-archive.org/