| Source name | Date | Type | Surface | |
|---|---|---|---|---|
| I-PAac MS AC-04 | 15th century | chant book with added polyphony | Parchment | |
| I-PAac MS F-09 | 2nd half of 15th century | Gradual-Antiphoner with added polyphony | Parchment | |
| I-PAac MS F-10 | Late 15th century | chant book with added polyphony | Parchment |