https://www.cantusplanus.at/en/oenb/bibliographie/
ÖNB: Bibliography | Cantus Planus Austria
Web platform for the research on plainchant in Austria: chant manuscripts, fragments and digital copies.
cantus planusbibliographyaustria
https://kf-a.org/opus/Cantus_planus_C_14112500/16359
KF-Archive.opus.Cantus_planus_C_14112500.16359
cantus planusarchiveopus
https://www.cantusplanus.at/de/oenb-projekt-overview/
ÖNB – Mittelalterliche Musikhandschriften und Fragmente | Cantus Planus Austria
Zentrale Webplattform für die Choralforschung in Österreich: Choralhandschriften, Fragmente und Digitalisate.
cantus planusmittelalterlicheundfragmenteaustria
https://kf-a.org/opus/Cantus_planus_C_10006000/15731
KF-Archive.opus.Cantus_planus_C_10006000.15731
cantus planusarchiveopus