Source: SK-Bra (Bratislava) Missale of Bratislava I EC Lad. 3Folio: 320vSequence: 1Full text: Alleluia Virga Jesse floruit virgo deum et hominem genuit pacem deus reddidit in se reconcilians ima summisFeast: De BMVOffice: MASSGenre: AlPosition: 4Cantus ID: 507002