- Thomas Ravenscroft Facsimiles
- Cambridge Parker Library
- Medieval and Renaissance Manuscripts at the Beinecke Library
- Special Collections at the Oxford Bodleian Library
- Florence – Biblioteca Medicea Laurenziana – Plutei
- Manoscritti in rete (Biblioteca Nazionale Centrale di Firenze)
- University of Glasgow Special Collections
- Catalogo aperto dei manoscritti Malatestiani
- British Library Catalogue of Digitised Manuscripts
- Bologna – Collegio di Spagna Irnerio Project
- Enluminures – Catalogue of French Illuminated Manuscripts by Location
- Catalogue of Digitized Medieval Manuscripts – Digitalmedievalist.org
- Assisi – Biblioteca del S. Convento
- Handschriftendatenbank – Austrian Illuminated Manuscripts
- Digital Medieval Manuscripts – Collections – Houghton Library
- Biblioteca Virtual del Patrimonio Bibliografico – Spanish Manuscript Collection
- Base de données Medium (reproductions, manuscrits, manuscripts, microfilms, CNRS, IRHT)
- Harmonice Musices Odhecaton
- Numérisation du patrimoine culturel : catalogue
- Catalogue collectif de France
- Valenciennes – Public Library
- Rennes – Rennes Métropole Library
- Manuscrits mérovingiens et carolingiens de la Bibliothèque municipale de Lyon – Liste des manuscrits
- Psautier Flamand (MS E 1) – Irish Psalter in Latin
- Liber Floridus – Extensive lists of digitized maunscripts
- Bibliothèques Nationale de France – Digital Library
- Gordon Callon Facsimiles
- Manuscripta Mediaevalia
- ♫ = Σ*(f.φ): NEUMES (Neumed & Ekphonetic Universal Manuscript Encoding Standard). AKA The NEUMES Project.
- Mellon Chansonnier Medieval Songbook
- Codices Electronici Sangallenses
- Renaissance Masses 1440-1520 Audio of the Princeton Online Repertory
- Arto Wikla’s Early Music Page
- The Shoyen Collection
- PSALOM Chant Documentation Project Chant Resource
- Incomplete Tomas Luis de Victoria Facsimiles
- Catalogue of Digitized Medieval Manuscripts
- Complete Full Color Roman de Fauvel Manuscript
- Kievan Notation Primer
- The Trent Manuscripts 87-93
- Examenapium Facsimile and Manuscript Resource
- Music Sacra Chant Resource
- Music Printing History
- Medieval & Renaissance Manuscripts/Prints
- Spanish Cathedral Music in the Golden Age |BOOK|
- Computerized Mensural Music Editing
- The Caron Web Site Catalogue of Caron’s Works
- Motet Online Database
- Vatican Renaissance Papal Manuscripts
- Digital Scriptorium Medieval manuscripts not limited to music.
- 9th Century Khaz Notation
- Early Musical Notation
- IMSLP
- Arcadelts First Book of Madrigals
- Lute Society of America
- Viola da Gamba Society of America
- Medieval & Renaissance Instruments
- Chansonnier Clairambault Manuscripts
- Tomás Luis de Victoria Facsimiles
- Francesca Caccini’s Il primo libro delle musiche of 1618
- Portuguese Early Music Database
- Digital Image Archive of Medieval Music
- Liber Usualis
- Old Manuscripts and Incunabula
- Princeton Online Repertory
- The Complete Florence Manuscript Pluteus 29.1
- Anaigeon Mensural/White Notation Primer
- More on mensural notation
- Byzantine Notation Primer
- Acadia Early Music Archive
- Program Ricecar Musicological Resource
