| Main Author | Title | Date | Category | Type |
|---|---|---|---|---|
| Luzzi, Cecilla | Petrarca in musica | Music Collection Catalogue | Website (Archived) | |
| Cité de la Musique Paris | MIMO: Musical Instrument Museums Online | Music Collection Online | Website | |
| Yale University Library | Music Theory Treatises - A Digital Collection | Music Collection Online | Website | |
| Yale University Library | Gilmore Music Library - Manuscripts, Rare Editions, Trading Cards, and Portraits | Music Collection Online | Website | |
| Voglers, Georg Joseph | Musikhandschriften Georg Joseph Voglers (1749-1814) | Music Collection Online | Website | |
| Mendelssohn Bartholdy, Felix | Mendelssohns Werke | Music Collection Online | Website | |
| Franz Liszt | Franz Liszt musikalische Werke | Music Collection Online | Website | |
|
Colin, Marie-Alexis Bidard, Jacques Vendrix, Philippe |
Patrimoine musical de la Picardie |
Encyclopedia-Dictionary--Biographical Music Collection Online |
Website | |
|
Fabris, Dinko Griffiths, John Vendrix, Philippe |
Le corpus des luthistes |
Music Collection Online Music Index-Catalogue |
Website | |
| Magro, Agostino | Le corpus des messes anonymes du Xve siècle |
Music Collection Online Music Index-Catalogue |
Website | |
|
Freedman, Richard Vendrix, Philippe |
Les livres de Chansons nouvelles de Nicolas Duchemin, 1549-1568 | Music Collection Online | Website | |
|
Stipcevic, Ennio Vendrix, Phillippe Zara, Vasco |
Renaissance Music in Croatia | Music Collection Online | Website | |
| Münchener DigitalisierungsZentrum Digitale Bibliothek | Georg Friedrich Händels Werke | Music Collection Online | Website | |
| The British Library | Victorian popular music | Music Collection Online | Website | |
| University of California, Santa Barbara | Cylinder preservation and digitization project | Music Collection Online | Website | |
| Zappalà, Pietro | Collezioni digitali : Fondo Ghisi, Fondo Dunning, Dischi in vinile | Music Collection Online | Website | |
| Library of Congress | Historic American sheet music : 1850-1920 | Music Collection Online | Website | |
| Schultz, Lois | Sheet music collections | c2008 | Music Collection Online | Website |
| Schubertline | Schubertline : the online score service for singers | Music Collection Online | Website | |
| The Deutsche Forschungsgemeinschaft (German Research Foundation) | Codices Electronici Ecclesiae Coloniensis (CEEC) |
Music Collection Catalogue Music Collection Online |
Website | |
| Natura Musical | Catálogo oficial da obra de Ernesto Nazareth | c2009 | Music Collection Online | Website |
|
Center for Computer Assisted Research in the Humanities Stanford University |
MuseData : an electronic library of classical music scores | Music Collection Online | Website | |
| National Library of Scotland | Music contributions to the Internet Archive from the National Library of Scotland | Music Collection Online | Website | |
| Brown University Library Center for Digital Scholarship | African American sheet music | Music Collection Online | Website | |
| Brown University Library Center for Digital Scholarship | Yiddish sheet music |
Music Collection Online Song Index |
Website | |
| European Commission | Europeana | 2008 | Music Collection Online | Website |
| Center for the History of Music Theory and Literature | Texts on Music in English | Music Collection Online | Website | |
| Harvard University Library | Digital scores and libretti : a Harvard University Library virtual collection | c2009 | Music Collection Online | Website |
| Harvard College Library | Digital scores collection | c2008 | Music Collection Online | Website |
| University of Missouri-Kansas City | UMKC's book of Gregorian chant | c1996-2008 | Music Collection Online | Website |
| University of North Carolina at Chapel Hill | 19th-century American sheet music | Music Collection Online | Website | |
| University of North Carolina at Chapel Hill | Music contributions to the Internet Archive from the Music Library of the University of North Carolina at Chapel Hill | Music Collection Online | Website | |
| Wienbibliothek im Rathaus | Schubert-Autographs : the largest collection on the Internet | Music Collection Online | Website | |
|
University of Washington University of Washington Libraries |
The Music Library Digital Scores Collection | 2010 | Music Collection Online | Website |
|
Rita Benton Music Library University of Iowa Libraries |
Ignaz Pleyel early editions | ©2011 | Music Collection Online | Website |
|
Bodleian Library University of Oxford |
The John Johnson collection : an archive of printed ephemera | Music Collection Online | Website | |
| American Studies at the University of Virginia | Vaudeville : a dazzling display of heterogeneous splendor | Music Collection Online | Website | |
| Centre for the History and Analysis of Recorded Music | CHARM : AHRC research centre for the history and analysis of recorded music | ©2009 |
Discography--Label Music Collection Online |
Website |
| Library of Congress | The Gerry Mulligan collection | Music Collection Online | Website | |
| Schumann, Robert | Robert Schumanns Werke | Music Collection Online | Website | |
| Davidson, Stephen | Sheet music consortium | Music Collection Online | Website | |
| Los Tigres del Norte Foundation | Strachwitz Fontera collection of Mexican and Mexican American recordings | Music Collection Online | Website | |
| Duggan, Mary Kay | 19th-Century California sheet music | Music Collection Online | Website | |
| English Broadside Ballad Archive | UCSB English broadside ballad archive | Music Collection Online | Website | |
|
Ellis, Kathatine Everist, Mark |
Francophone music criticism : 1789-1914 | 2011 | Music Collection Online | Website |
| Schraefel, M.C. | MusicNet |
Music Collection Online Internet Portal |
Website | |
| Lift every voice | Music Collection Online | Website | ||
| Gaylord Music Library | Digital scores from the Gaylord Music Library at Washington University | Music Collection Online | Website | |
| Gaylord Music Library | Music from Gaylord Special Collections | 2010 | Music Collection Online | Website |
| Indiana University School of Music | VARIATIONS prototype : online musical scores | c1999-2005 | Music Collection Online | Website |