Source: SK-Bra (Bratislava) Antiphonary of Bratislava I EC Lad.3Folio: 130vSequence: 6Full text: Diem festum praecelsae genetricis dei virginis Mariae sollemniter celebremus quo inchoata est ejus felix nativitasFeast: Nativitas MariaeOffice: MGenre: RPosition: 2.1Cantus ID: 006441