Links
Chant data archives
CANTUS - a database for latin ecclesiastical chant
CANTUS PLANUS AUSTRIA (Web Archive for Medieval Music in Austria)
CANTUS NETWORK (Libri ordinarii of the Salzburg metropolitan province)
Late Medieval Liturgical Offices LMLO
Department of Early Music at Budapest
Giacomo Baroffio - Iter Liturgicum Italicum
Monumenta Musicae Byzantinae at Copenhagen
Musicologie Médiévale. Resources for medieval musicology and liturgy
The Gregorian Repertory
Analecta Hymnica
La Trobe University Medieval Music Database
Christian Meyer (Nancy): Outils pour l’analyse et la description des manuscrits liturgiques notés
www.chantdiscography.com
Cantus Index
Printed liturgical sources
Renaissance Liturgical Imprints (RELICS)
Chant theory databases
Lexicon Musicum Latinum at Munich (de, fr)
Chant homepage
The Gregorian Chant Home Page at Princeton
International Association for Studies of Gregorian Chant (AISCGre)
Musicologie Médiévale
Publishers
Institute of Medieval Music, Canada
Abbaye Saint-Pierre de Solesmes
Libraries, catalogues, manuscripts
RISM Libraries Directory
Manuscritpa Mediaevalia
Bayerische Staatsbibliothek München
British Library London
CEEC - Codices Electronici Ecclesiae Coloniensis
Danish Liturgical Fragments from the Middle Ages edited by Knud Ottosen
Hill Monastic Manuscript Library
Codices Electronici Sangallenses (CESG)
e-codices (Virtual Manuscript Library Switzerland)
Österreichische Nationalbibliothek Wien
Biblioteca Apostolica Vaticana
Gregofacsimil
Musicology homepage
Royal Holloway Music Dept's Golden Pages
The International Musicological Society (IMS)
Related research areas
Einbanddatenbank
Wasserzeichenkartei Piccard
Zeitrechnung des Deutschen Mittelalters und der Neuzeit von Hermann Grotefend
ORBIS LATINUS
Historical Auxiliary Sciences (Codicology)
Theology
Klöster in Bayern
Acta Sanctorum Database
Ökumenisches Heiligenlexikon
Documenta Catholica Omnia