Archives are the current holding institutions of sources.
| Archivio del Duomo, Fondo Musicale (I-PCd) |
Organizations are corporate entities that have been involved in the history of a source, typically as an owner, creator, or seller.
| Piacenza Cathedral |
Sources that have had their origins in this city.
| I-PCd s.s. (2) (uncertain) |
| I-PCd s.s. (3) [Discantus/Altus/Tenor] (uncertain) |
| I-PCd s.s. (3) [Tenor/Bassus] |
| I-PCd s.s. (4) (uncertain) |
| I-PCd s.s. (5) (uncertain) |
| I-Bc Q.15 (uncertain) |