Source: Kutnohorský graduál – Graduale de Kutná HoraSiglum: A-Wn 15501Folios: 178v-179vFolio: 178vSequence: 1Full text (or incipit): O beata et immensaGenre: SqRubrics2: De sancta TrinitateFeast: De TrinitateFeast (text): De Trinitate Cantus ID: g03438Form: M