- Library
Digital sheet music
Paid digital sheet music library available to students and teachers of the Eller Music College NKODA
NAll Piano Scores
American Memory
FREE. Contains notes of older Afro-American, folk and popular music.
Bach Cantatas Website
FREE. Almost all Bach cantatas as PDF files.
Beethoven-Haus Bonn - Digital Archives
Includes first editions of works, manuscripts, correspondence, music samples, etc.
Boosey & Hawkes - sheet music downloads
The Choral Public Domain Library
FREE. Wiki-based page, contains sheet music and translations of choral music.
Collection of Historical Annotated String Editions
Doria
FREE. Manuscripts from the library of the Sibelius Academy and sheet music from museum collections.
EveryNote.com
The Fake Book Index
Free-Scores.com
Gallica
Collection of the French National Library.
IMSLP / Petrucci Music Library
FREE. Wiki-based collection of classical music sheet music.
Choral songs.fi
Finnish choral music.
Luck's Music Library
Orchestral material.
Musicnotes.com
Mutopia Project
FREE.
Neue Mozart Ausgabe / Digital Mozart Edition
FREE. Online version of Mozart's works.
Music box
FREE. Finnish folk music.
Online Sheet Music
http://en.opera-scores.com/SA/All/Popularity.html
An e-music collection compiled in the Oulu Seudun Ammattikorkeakoulu library
Score Exchange
Contemporary music, including free sheet music.
Score On Line
FREE
Selected Finnish Digital Sheet Music
FREE
The Sheet Music Archive
Classical sheet music, two free downloads per day
Sheetmusicdb.net
Sheetmusicdirect.com
SheetMusicFox.com
Sibley Music Library
FREE. The Eastman School of Music's collection of digitized sheet music.