Isti sunt dies quos observare
- Source
- Wien, Diözesanarchiv, C-11
- Folio
- 105v
- Sequence
- 2
- Image link
- https://iiif-mufo.oeaw.ac.at/mahss/A-WdaC11/A-WdaC11-105v/full/full/0/default.jpg
List of concordances
For concordances, please consult the Cantus Index entry for Cantus ID 007013.