Source: SK-Bra (Bratislava) Antiphonary of Bratislava IIa EC Lad.4Folio: 093rSequence: 1Full text: Beatissimae virginis Mariae nativitatem devotissime celebremusFeast: Nativitas MariaeOffice: MGenre: VPosition: 01Cantus ID: 006854a