Source: PL-WRu I F 416 Cistercian Gradual (Silesia)Folio: 148vSequence: 1Feast: Vigilia Petri, PauliOffice: MASSGenre: InVCantus ID: g00255aMode: 4TFull text: Caeli enarrant gloriam dei et opera manuum ejus annuntiat firmamentumNotes: Gloria* euouae