Source: SK-BEt (Betliar) Slovenské národné múzeum - Múzeum Betliar 8 ANTIPHONARIUM Sign. K0000/08022, HK 08022Folio: 002rSequence: 6Full text: In aeternum et in saeculum saeculiFeast: Sabbato per annumOffice: V2Genre: APosition: 2Cantus ID: 003204