Source: PL-SAk 40 Graduał z SandomierzaFolio: 059vSequence: 5Feast: Dom. 22 p. Pent.Office: MASSGenre: IntrCantus ID: g01247Mode: 3Full text: Si iniquitates observaveris Domine Domine quis sustinebit quia aput te propitiatio est Deus Israel