Source: SK-KO (Košice) Antiphonarium H III/2 mac 18Folio: 001vSequence: 9Full text: Magnum mysterium declaratur hodie quia [creator omnium in Jordane expurgat nostra facinora]Feast: Octava EpiphaniaeOffice: V2Genre: APosition: 4Cantus ID: 003678Mode: 7