Chiesa di Santa Maria Maggiore (I-GDLcc)
Guardiagrele, Abruzzo
External identifiers
Sources in this Archive
| Source name | Date | Type | Surface | |
|---|---|---|---|---|
| I-GDLcc MS 2 | 14th century | Gradual with added polyphony | - | |
| I-GDLcc MS 3 | 14th century | chant ms with added polyphony | - | |
| I-GDLcc MS s.s. | 15th century | chant book with added polyphony | - |