American Folklife Center (The)
Library of Congress (Washington DC)
http://folkmusicarchives.org/folklife.htm

American Folklife Center (The) - Online Collections and Presentations
American Memory – Library of Congress (Washington DC)
http://www.loc.gov/folklife/onlinecollections.html

Arnold Schönberg Center (Vienne)
http://www.schoenberg.at

Biblioteca nacional de España (Madrid)
http://www.bne.es

Bibliothèque nationale du Canada
http://www.collectionscanada.ca

Brahms-Institut an der Musikhochschule Lübeck
http://www.brahms-institut.de

Centre de musique canadienne
http://www.musiccentre.ca

Centro de documentacion de musica y danza
INAEM - Instituto nacional de las artes escenicas y musica (Madrid)
http://cdmyd.mcu.es

Chicago Jazz Archive
University of Chicago
http://www.lib.uchicago.edu/e/su/cja/

DIAMM / Digital Image Archive of Medieval Music
University of Oxford - Royal Holloway University of London
http://www.diamm.ac.uk

Edison Sound Archives
Edison National Historic Site
http://www.nps.gov/edis/edisonia/sounds.html

European Archive
http://www.europarchive.org

Fondation Paul Sacher (Bâle)
http://www.paul-sacher-stiftung.ch

GAMA / Gateway to Archives of Media Art
Communauté européenne – eContentPlus
http://www.gama-gateway.eu

Historical Collections for the National Digital Library
American Memory - Library of Congress (Washington DC)
http://memory.loc.gov/ammem/

James Madison Carpenter Collection Online Catalogue
University of Sheffield (Royaume-Uni)/ American Folklife Center – Library of Congress
http://www.hrionline.ac.uk/carpenter/

JSTOR / Journal Storage - The Scholarly Journal Archive
http://www.jstor.org

KVK / Karlsruher Virtueller Katalog
http://www.ubka.uni-karlsruhe.de/hylib/en/kvk.html

Lester S. Levy Collection of Sheet Music (Baltimore)
Johns Hopkins University (Baltimore) - Milton S. Eisenhower Library
http://levysheetmusic.mse.jhu.edu

Library of Congress (Washington DC) - Music Division - Performing Arts Reading Room
http://lcweb.loc.gov/rr/perform

Médiathèque de la Communauté française de Belgique
http://www.lamediatheque.be

National Sound Archive
British Library (Londres)
http://www.bl.uk/catalogues/sound.html

NYPL / New York Public Library
http://www.nypl.org/research/lpa/lpa.html

OAI Revues
http://oai.revues.org

Project Gutenberg
http://www.gutenberg.org

Scores from the University of Michigan Music Library
University of Michigan (Ann Arbor) - Music Library Scores Collection
http://quod.lib.umich.edu/s/scores

Sheet Music Consortium
http://digital.library.ucla.edu/sheetmusic/OAIProject.html