The Choral Public Domain Library An extensive archive of choral music in the public domain. http://www.cpdl.org/

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

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

Atems Sheet Music Library Free loan of vintage, out of print sheet music from this non-profit service. http://homepage.ntlworld.com/alan.turnbull

Mutopia Open-source sheet music in PDF, PS, and GNU LilyPond formats. Mostly classical, with a little jazz. http://www.mutopiaproject.org/

Sheet Music Archive, The Large selection of public domain classical sheet music, including the great works of famous composers. http://www.sheetmusicarchive.net

Cipoo Free choral public domain sheet music, MIDIs and MP3s. http://www.cipoo.net/

Anne's Free Sheet Music This site has a few public domain scores available. Corelli, Bach, Pachelbel and others are represented. http://www.ad6uy.com/free1.html

Charlies Piano Piano scores by classical composers such as Bach and Mozart for free download in pdf and midi format. http://www.charliespiano.com

Diocesis de Ponce Catholic liturgical music requiring Finale smartviewer. http://www.pucpr.edu/diocesis/14cantoral.html

247 Sheet Music Free sheet music downloads for piano in PDF format by Bach, Beethoven, Chopin, Debussy and Joplin. http://www.247sheetmusic.com/downloads

Free Sheet Music Source Free public domain sheet music, including choral, spiritual, piano, organ, and brass sheet music. http://www.free-sheet-music.us

Music on Light and Matter Piano music by Bach and Joplin in PDF and ETF formats. http://www.lightandmatter.com/music/pdmusic.html

Werner Icking Music Archive A continuation of the now defunct GMD Music Archive. Browse a large collection of Public Domain music. http://icking-music-archive.org/

RowyNet A collection of classical and baroque music for solo instruments. http://www.rowy.net

Breizh Partitions - free Celtic scores Hundreds of free celtic scores for bagpipe, fiddle, piano, guitar, flute, etc. http://breizhpartitions.free.fr/en

Sheet Music from Canada's Past Features Canadian sheet music from the First World War era and from the pre-confederation era, from the National Library of Canada. http://www.collectionscanada.ca/4/1/index-e.html