Source: PL-WRu I F 411 Cistercian Gradual (Silesia)Folio: 059rSequence: 1Feast: De TrinitateOffice: MASSGenre: IntrCantus ID: g01116Mode: 8Full text: Benedicta sit sancta trinitas atque indivisa unitas confitebimur ei quia fecit nobiscum misericordiam suam