Online Chopin Variorum Edition
http://www.ocve.org.uk/index.html
Chopin early editions
La collezione delle prime edizioni delle opere di Chopin della biblioteca dell’Università di Chicago
http://chopin.lib.uchicago.edu/
Beethoven Haus Bonn – Digital Archives
https://www.beethoven.de/sixcms/detail.php?template=startseite_digitales_archiv_en
Schubert Online
http://www.schubert-online.at/activpage/index.php?lang=E
British Library Online – Music Manuscripts
http://www.bl.uk/highlights/articles/music
The Morgan Library and Museum – Music Manuscripts & Printed Music
http://www.themorgan.org/collection/music-manuscripts-and-printed-music
Staatsbibliothek zu Berlin / Preussischer Kulturbesitz – Digitalisierte Sammlungen / Musik
http://digital.staatsbibliothek-berlin.de/suche/?DC=musik
IMSLP – Petrucci Music Library
http://imslp.org/
Die Bayerische Staatsbibliothek – Digitale Sammlungen / Musik
https://www.digitale-sammlungen.de/index.html?c=sammlung&projekt=1199863919&l=de
Bibliotheque Nationale de France – Gallica
http://gallica.bnf.fr/html/und/partitions/partitions
Bach Arkiv Leipzig – Bach Digital
https://www.bach-digital.de/content/index.xed
Johns Hopkins University, Peabody Institute – Friedheim Music Library
http://musiclibrary.peabody.jhu.edu/digital
The Julliard School, Library and Information Resources
http://juilliardmanuscriptcollection.org/
Catalogo Gaspari
A cura del Civico Museo Bibliografico Musicale (Bologna)
http://badigit.comune.bologna.it/cmbm/gaspari/html/autsrc.htm
Medieval Music database
A cura della La Trobe University Library (Australia)
http://www.lib.latrobe.edu.au/MMDB/MusicDB
Digital Mozart Edition
Progetto dell’Internationale Stiftung Mozarteum e del Packard Humanities Institute
http://dme.mozarteum.at/DME/nma/nmapub_srch.php?l=2
