Oportet*
- Folio
- 420
- Sequence
- 13
- Manuscript Reading Full Text (standardized spelling)
- Oportet*
- Manuscript Reading Full Text (MS spelling)
- Oportet
- Image link
- https://www.e-codices.unifr.ch/en/sbe/0121/420
List of concordances
For concordances, please consult the Cantus Index entry for Cantus ID g00743.