Associated internet pages

• Hungarian Chant Database (HCD) (Gábor Kiss, Institute of Musicology, Budapest)
• Regensburg´s data pool for research on Gregorian chant (David Hiley, University of Regensburg)
• CANTUS Database (Debra Lacoste, University of Waterloo, Canada)
• Cantus Index: Catalogue of Chant Texts and Melodies (Debra Lacoste, Jan Koláček)
• Portuguese Early Music Database (Manuel Pedro Ferreira, Lisboa, Portugal)
• Slovakian Early Music Database (Eva Veselovská, Bratislava, Slovakia)
• Fontes Cantus Bohemiae (Jan Koláček, David Eben, Praha, Czech republic)
• Cantus Planus in Polonia (Bartosz Izbicki, Warszawa, Poland)
• Manuscriptorium. Digital Library of Written Cultural Heritage (National Library of the Czech Republic)
• Musikalische Quellen des Mittelalters in der ÖNB (Robert Klugseder, Österreichische Akademie der Wissenschaften)
• CEEC - Codices Electronici Ecclesiae Coloniensis
• e-codices. Virtual Manuscript Library Switzerland (Christoph Flüeler, Universität Freiburg)
• La Trobe University Medieval Music Database (La Trobe University)
• Münchener DigitalisierungsZentrum, Digitale Bibliothek
• Usuarium. A Digital Library and Database of Latin Liturgical History (Miklós István Földváry, Eötvös Loránd University, Budapest)
• Digital Image Archive of Medieval Music (Margaret Bent, Andrew Wathey)