Source: SK-BEt (Betliar) Slovenské národné múzeum - Múzeum Betliar 8 ANTIPHONARIUM Sign. K0000/08022, HK 08022Folio: 001vSequence: 5Full text: Quoniam in aeternum misericordia ejusFeast: Feria 5 per annumOffice: V2Genre: APosition: 4Cantus ID: 004567