Source: PL-Wn 12722 V Graduał opata tynieckiego MścisławaFolio: 251vSequence: 8Feast: SabinaeOffice: MASSGenre: InVCantus ID: g01396aMode: 3Differentia: A3Full text: Beati immaculati in via qui ambulant in lege dominiExternal image link: Image link