Source: SK-Bra (Bratislava) Antiphonary of Bratislava IIb EC Lad.4Folio: 001vSequence: 3Full text: Beatus venter qui te portavit Christe et beata ubera quae te lactaverunt dominum et salvatorem mundi alleluiaFeast: Nativitas DominiOffice: C2Genre: APosition: N7Cantus ID: 001668
