Source: PL-WRu I F 413 Cistercian Gradual (Silesia)Folio: 008rSequence: 5Feast: Vigilia Nat. DominiOffice: MASSGenre: IntrCantus ID: g00535Mode: 6TFull text: Hodie scietis quia veniet dominus et salvabit nos et mane videbitis gloriam ejus