Source: PL-WRu I F 414 Cistercian Gradual (Silesia)Folio: 006vSequence: 5Feast: Nativitas DominiOffice: MASSGenre: InVCantus ID: g00541aMode: 2Full text: Quare fremuerunt gentes et populi meditati sunt inaniaNotes: Gloria* euouae / Missa in nocte