Regem martyrum*
- Folio
- 214v
- Sequence
- 9
- Differentia
- *
- Image link
- https://digi.vatlib.it/pub/digit/MSS_Vat.lat.8737/iiif/Vat.lat.8737_0475_fa_0214v.jp2/full/740,/0/native.jpg
List of concordances
For concordances, please consult the Cantus Index entry for Cantus ID 001137.