Source: PL-WRu I F 413 Cistercian Gradual (Silesia)Folio: 133vSequence: 7Feast: Gervasii, ProtasiiOffice: MASSGenre: InVCantus ID: g00228aMode: 3Full text: Benedixisti domine terram tuam avertisti captivitatem JacobNotes: euouae