Source: SK-Bra (Bratislava) Antiphonary of Bratislava IIa EC Lad.4Folio: 020vSequence: 1Full text: O beata et benedicta et gloriosa trinitas pater et filius et spiritus sanctusFeast: De TrinitateOffice: LGenre: APosition: 1Cantus ID: 003992
