American Folklife Center (The)
Library of Congress (Washington DC)

American Folklife Center (The) - Online Collections and Presentations
American Memory – Library of Congress (Washington DC)

Arnold Schönberg Center (Vienne)

Biblioteca nacional de España (Madrid)

Bibliothèque nationale du Canada

Brahms-Institut an der Musikhochschule Lübeck

Centre de musique canadienne

Centro de documentacion de musica y danza
INAEM - Instituto nacional de las artes escenicas y musica (Madrid)

Chicago Jazz Archive
University of Chicago

DIAMM / Digital Image Archive of Medieval Music
University of Oxford - Royal Holloway University of London

Edison Sound Archives
Edison National Historic Site

European Archive

Fondation Paul Sacher (Bâle)

GAMA / Gateway to Archives of Media Art
Communauté européenne – eContentPlus

Historical Collections for the National Digital Library
American Memory - Library of Congress (Washington DC)

James Madison Carpenter Collection Online Catalogue
University of Sheffield (Royaume-Uni)/ American Folklife Center – Library of Congress

JSTOR / Journal Storage - The Scholarly Journal Archive

KVK / Karlsruher Virtueller Katalog

Lester S. Levy Collection of Sheet Music (Baltimore)
Johns Hopkins University (Baltimore) - Milton S. Eisenhower Library

Library of Congress (Washington DC) - Music Division - Performing Arts Reading Room

Médiathèque de la Communauté française de Belgique

National Sound Archive
British Library (Londres)

NYPL / New York Public Library

OAI Revues

Project Gutenberg

Scores from the University of Michigan Music Library
University of Michigan (Ann Arbor) - Music Library Scores Collection

Sheet Music Consortium