Source: SK-Bra (Bratislava) Missale of Bratislava I EC Lad. 3Folio: 005vaSequence: 1Full text: Ostende nobis domine misericordiam tuam et salutare tuum da nobisFeast: Fer. 6 Q.T. AdventusOffice: MASSGenre: GrCantus ID: g00511Mode: 2