Source: PL-WRu I F 413 Cistercian Gradual (Silesia)Folio: 011rSequence: 1Feast: Nativitas DominiOffice: MASSGenre: GrVCantus ID: g00554aMode: 5Full text: Notum fecit dominus salutare suum ante conspectum gentium revelavit justitiam suam